315996201680856 has 64 divisors (see below), whose sum is σ = 824356708531200. Its totient is φ = 100750115440128.

The previous prime is 315996201680837. The next prime is 315996201680981. The reversal of 315996201680856 is 658086102699513.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17794705 + ... + 30800063.

It is an arithmetic number, because the mean of its divisors is an integer number (12880573570800).

Almost surely, 2^{315996201680856} is an apocalyptic number.

It is an amenable number.

315996201680856 is an abundant number, since it is smaller than the sum of its proper divisors (508360506850344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315996201680856 is a wasteful number, since it uses less digits than its factorization.

315996201680856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049408 (or 13049404 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 69.

The spelling of 315996201680856 in words is "three hundred fifteen trillion, nine hundred ninety-six billion, two hundred one million, six hundred eighty thousand, eight hundred fifty-six".