315663016 has 8 divisors (see below), whose sum is σ = 591868170. Its totient is φ = 157831504.

The previous prime is 315663013. The next prime is 315663031. The reversal of 315663016 is 610366513.

It can be written as a sum of positive squares in only one way, i.e., 220522500 + 95140516 = 14850^2 + 9754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (315663013) by changing a digit.

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, 19728931 + ... + 19728946.

Almost surely, 2^315663016 is an apocalyptic number.

It is an amenable number.

315663016 is a deficient number, since it is larger than the sum of its proper divisors (276205154).

315663016 is a wasteful number, since it uses less digits than its factorization.

315663016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39457883 (or 39457879 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 315663016 is about 17766.9078907952. The cubic root of 315663016 is about 680.8862550389.

The spelling of 315663016 in words is "three hundred fifteen million, six hundred sixty-three thousand, sixteen".