It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 424 is not a prime number.
For example, 167 424 can be divided by 2: 167 424 / 2 = 83 712.
For 167 424 to be a prime number, it would have been required that 167 424 has only two divisors, i.e., itself and 1.
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167 424 is an even number, because it is evenly divisible by 2: 167 424 / 2 = 83 712.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 167 424 is about 409.175.
Thus, the square root of 167 424 is not an integer, and therefore 167 424 is not a square number.
The square of a number (here 167 424) is the result of the product of this number (167 424) by itself (i.e., 167 424 × 167 424); the square of 167 424 is sometimes called "raising 167 424 to the power 2", or "167 424 squared".
The square of 167 424 is 28 030 795 776 because 167 424 × 167 424 = 167 4242 = 28 030 795 776.
As a consequence, 167 424 is the square root of 28 030 795 776.
The multiples of 167 424 are all integers evenly divisible by 167 424, that is all numbers such that the remainder of the division by 167 424 is zero. There are infinitely many multiples of 167 424. The smallest multiples of 167 424 are: