512930016638 has 32 divisors (see below), whose sum is σ = 834695813952. Its totient is φ = 234995673600.

The previous prime is 512930016607. The next prime is 512930016649. The reversal of 512930016638 is 836610039215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817120 + ... + 2080332.

It is an arithmetic number, because the mean of its divisors is an integer number (26084244186).

Almost surely, 2^512930016638 is an apocalyptic number.

512930016638 is a deficient number, since it is larger than the sum of its proper divisors (321765797314).

512930016638 is a wasteful number, since it uses less digits than its factorization.

512930016638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263780.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 512930016638 in words is "five hundred twelve billion, nine hundred thirty million, sixteen thousand, six hundred thirty-eight".