It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 209 is not a prime number.
For example, 167 209 can be divided by 7: 167 209 / 7 = 23 887.
For 167 209 to be a prime number, it would have been required that 167 209 has only two divisors, i.e., itself and 1.
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167 209 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 167 209 is about 408.912.
Thus, the square root of 167 209 is not an integer, and therefore 167 209 is not a square number.
The square of a number (here 167 209) is the result of the product of this number (167 209) by itself (i.e., 167 209 × 167 209); the square of 167 209 is sometimes called "raising 167 209 to the power 2", or "167 209 squared".
The square of 167 209 is 27 958 849 681 because 167 209 × 167 209 = 167 2092 = 27 958 849 681.
As a consequence, 167 209 is the square root of 27 958 849 681.
The multiples of 167 209 are all integers evenly divisible by 167 209, that is all numbers such that the remainder of the division by 167 209 is zero. There are infinitely many multiples of 167 209. The smallest multiples of 167 209 are: