It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 609 is not a prime number.
For example, 167 609 can be divided by 13: 167 609 / 13 = 12 893.
For 167 609 to be a prime number, it would have been required that 167 609 has only two divisors, i.e., itself and 1.
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167 609 is an odd number, because it is not evenly divisible by 2.
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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 167 609 is about 409.401.
Thus, the square root of 167 609 is not an integer, and therefore 167 609 is not a square number.
The square of a number (here 167 609) is the result of the product of this number (167 609) by itself (i.e., 167 609 × 167 609); the square of 167 609 is sometimes called "raising 167 609 to the power 2", or "167 609 squared".
The square of 167 609 is 28 092 776 881 because 167 609 × 167 609 = 167 6092 = 28 092 776 881.
As a consequence, 167 609 is the square root of 28 092 776 881.
The multiples of 167 609 are all integers evenly divisible by 167 609, that is all numbers such that the remainder of the division by 167 609 is zero. There are infinitely many multiples of 167 609. The smallest multiples of 167 609 are: