315651565632 has 56 divisors (see below), whose sum is σ = 899404628416. Its totient is φ = 97123557888.

The previous prime is 315651565591. The next prime is 315651565657. The reversal of 315651565632 is 236565156513.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63228988 + ... + 63233979.

It is an arithmetic number, because the mean of its divisors is an integer number (16060796936).

Almost surely, 2^315651565632 is an apocalyptic number.

315651565632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315651565632 is an abundant number, since it is smaller than the sum of its proper divisors (583753062784).

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

315651565632 is a wasteful number, since it uses less digits than its factorization.

315651565632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126462995 (or 126462985 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 48.

The spelling of 315651565632 in words is "three hundred fifteen billion, six hundred fifty-one million, five hundred sixty-five thousand, six hundred thirty-two".