315398168 has 16 divisors (see below), whose sum is σ = 591679680. Its totient is φ = 157616928.

The previous prime is 315398159. The next prime is 315398173. The reversal of 315398168 is 861893513.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7946 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (36979980).

Almost surely, 2^315398168 is an apocalyptic number.

It is an amenable number.

315398168 is a deficient number, since it is larger than the sum of its proper divisors (276281512).

315398168 is a wasteful number, since it uses less digits than its factorization.

315398168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546 (or 20542 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 315398168 is about 17759.4529195018. The cubic root of 315398168 is about 680.6957757290.

The spelling of 315398168 in words is "three hundred fifteen million, three hundred ninety-eight thousand, one hundred sixty-eight".