315163632 has 160 divisors (see below), whose sum is σ = 968937984. Its totient is φ = 86400000.

The previous prime is 315163631. The next prime is 315163633. The reversal of 315163632 is 236361513.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (315163631) and next prime (315163633).

It is a super-2 number, since 2×315163632² = 198656229870862848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315163632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315163631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255507 + ... + 1255757.

Almost surely, 2^315163632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315163632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484468992).

315163632 is an abundant number, since it is smaller than the sum of its proper divisors (653774352).

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

315163632 is a wasteful number, since it uses less digits than its factorization.

315163632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 315163632 is about 17752.8485601607. The cubic root of 315163632 is about 680.5270078357.

The spelling of 315163632 in words is "three hundred fifteen million, one hundred sixty-three thousand, six hundred thirty-two".