315639916 has 6 divisors (see below), whose sum is σ = 552369860. Its totient is φ = 157819956.

The previous prime is 315639893. The next prime is 315639931. The reversal of 315639916 is 619936513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39454986 + ... + 39454993.

Almost surely, 2^315639916 is an apocalyptic number.

It is an amenable number.

315639916 is a deficient number, since it is larger than the sum of its proper divisors (236729944).

315639916 is a wasteful number, since it uses less digits than its factorization.

315639916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78909983 (or 78909981 counting only the distinct ones).

The product of its digits is 131220, while the sum is 43.

The square root of 315639916 is about 17766.2577939193. The cubic root of 315639916 is about 680.8696457062.

The spelling of 315639916 in words is "three hundred fifteen million, six hundred thirty-nine thousand, nine hundred sixteen".