315497664 has 84 divisors (see below), whose sum is σ = 933541440. Its totient is φ = 101767680.

The previous prime is 315497657. The next prime is 315497671. The reversal of 315497664 is 466794513.

315497664 is a `hidden beast` number, since 31 + 549 + 76 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (315497657) and next prime (315497671).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9022 + ... + 26690.

Almost surely, 2^315497664 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 315497664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466770720).

315497664 is an abundant number, since it is smaller than the sum of its proper divisors (618043776).

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

315497664 is a wasteful number, since it uses less digits than its factorization.

315497664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718 (or 17705 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 315497664 is about 17762.2539110328. The cubic root of 315497664 is about 680.7673459888.

The spelling of 315497664 in words is "three hundred fifteen million, four hundred ninety-seven thousand, six hundred sixty-four".