It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 162 167 is not a prime number.
For example, 162 167 can be divided by 257: 162 167 / 257 = 631.
For 162 167 to be a prime number, it would have been required that 162 167 has only two divisors, i.e., itself and 1.
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162 167 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 162 167 is about 402.700.
Thus, the square root of 162 167 is not an integer, and therefore 162 167 is not a square number.
The square of a number (here 162 167) is the result of the product of this number (162 167) by itself (i.e., 162 167 × 162 167); the square of 162 167 is sometimes called "raising 162 167 to the power 2", or "162 167 squared".
The square of 162 167 is 26 298 135 889 because 162 167 × 162 167 = 162 1672 = 26 298 135 889.
As a consequence, 162 167 is the square root of 26 298 135 889.
The multiples of 162 167 are all integers evenly divisible by 162 167, that is all numbers such that the remainder of the division by 162 167 is zero. There are infinitely many multiples of 162 167. The smallest multiples of 162 167 are: