It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 397 is not a prime number.
For example, 167 397 can be divided by 3: 167 397 / 3 = 55 799.
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For 167 397 to be a prime number, it would have been required that 167 397 has only two divisors, i.e., itself and 1.
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167 397 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 167 397 is about 409.142.
Thus, the square root of 167 397 is not an integer, and therefore 167 397 is not a square number.
The square of a number (here 167 397) is the result of the product of this number (167 397) by itself (i.e., 167 397 × 167 397); the square of 167 397 is sometimes called "raising 167 397 to the power 2", or "167 397 squared".
The square of 167 397 is 28 021 755 609 because 167 397 × 167 397 = 167 3972 = 28 021 755 609.
As a consequence, 167 397 is the square root of 28 021 755 609.
The multiples of 167 397 are all integers evenly divisible by 167 397, that is all numbers such that the remainder of the division by 167 397 is zero. There are infinitely many multiples of 167 397. The smallest multiples of 167 397 are: