315553664 has 16 divisors (see below), whose sum is σ = 628642320. Its totient is φ = 157776768.

The previous prime is 315553661. The next prime is 315553673. The reversal of 315553664 is 466355513.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×315553664² = 199148229727649792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315553661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232504 + ... + 1232759.

It is an arithmetic number, because the mean of its divisors is an integer number (39290145).

Almost surely, 2^315553664 is an apocalyptic number.

It is an amenable number.

315553664 is a deficient number, since it is larger than the sum of its proper divisors (313088656).

315553664 is an equidigital number, since it uses as much as digits as its factorization.

315553664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465277 (or 2465265 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 315553664 is about 17763.8302176079. The cubic root of 315553664 is about 680.8076217397.

The spelling of 315553664 in words is "three hundred fifteen million, five hundred fifty-three thousand, six hundred sixty-four".