It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 216 is not a prime number.
For example, 167 216 can be divided by 2: 167 216 / 2 = 83 608.
For 167 216 to be a prime number, it would have been required that 167 216 has only two divisors, i.e., itself and 1.
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167 216 is an even number, because it is evenly divisible by 2: 167 216 / 2 = 83 608.
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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 167 216 is about 408.921.
Thus, the square root of 167 216 is not an integer, and therefore 167 216 is not a square number.
The square of a number (here 167 216) is the result of the product of this number (167 216) by itself (i.e., 167 216 × 167 216); the square of 167 216 is sometimes called "raising 167 216 to the power 2", or "167 216 squared".
The square of 167 216 is 27 961 190 656 because 167 216 × 167 216 = 167 2162 = 27 961 190 656.
As a consequence, 167 216 is the square root of 27 961 190 656.
The multiples of 167 216 are all integers evenly divisible by 167 216, that is all numbers such that the remainder of the division by 167 216 is zero. There are infinitely many multiples of 167 216. The smallest multiples of 167 216 are: