It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 328 is not a prime number.
For example, 167 328 can be divided by 2: 167 328 / 2 = 83 664.
For 167 328 to be a prime number, it would have been required that 167 328 has only two divisors, i.e., itself and 1.
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167 328 is an even number, because it is evenly divisible by 2: 167 328 / 2 = 83 664.
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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 167 328 is about 409.057.
Thus, the square root of 167 328 is not an integer, and therefore 167 328 is not a square number.
The square of a number (here 167 328) is the result of the product of this number (167 328) by itself (i.e., 167 328 × 167 328); the square of 167 328 is sometimes called "raising 167 328 to the power 2", or "167 328 squared".
The square of 167 328 is 27 998 659 584 because 167 328 × 167 328 = 167 3282 = 27 998 659 584.
As a consequence, 167 328 is the square root of 27 998 659 584.
The multiples of 167 328 are all integers evenly divisible by 167 328, that is all numbers such that the remainder of the division by 167 328 is zero. There are infinitely many multiples of 167 328. The smallest multiples of 167 328 are: