It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 816 is not a prime number.
For example, 167 816 can be divided by 2: 167 816 / 2 = 83 908.
For 167 816 to be a prime number, it would have been required that 167 816 has only two divisors, i.e., itself and 1.
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167 816 is an even number, because it is evenly divisible by 2: 167 816 / 2 = 83 908.
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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 167 816 is about 409.654.
Thus, the square root of 167 816 is not an integer, and therefore 167 816 is not a square number.
The square of a number (here 167 816) is the result of the product of this number (167 816) by itself (i.e., 167 816 × 167 816); the square of 167 816 is sometimes called "raising 167 816 to the power 2", or "167 816 squared".
The square of 167 816 is 28 162 209 856 because 167 816 × 167 816 = 167 8162 = 28 162 209 856.
As a consequence, 167 816 is the square root of 28 162 209 856.
The multiples of 167 816 are all integers evenly divisible by 167 816, that is all numbers such that the remainder of the division by 167 816 is zero. There are infinitely many multiples of 167 816. The smallest multiples of 167 816 are: