512316315668 has 12 divisors (see below), whose sum is σ = 896666823360. Its totient is φ = 256125794712.

The previous prime is 512316315629. The next prime is 512316315677. The reversal of 512316315668 is 866513613215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8055146 + ... + 8118497.

It is an arithmetic number, because the mean of its divisors is an integer number (74722235280).

Almost surely, 2^512316315668 is an apocalyptic number.

It is an amenable number.

512316315668 is a deficient number, since it is larger than the sum of its proper divisors (384350507692).

512316315668 is a wasteful number, since it uses less digits than its factorization.

512316315668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181566 (or 16181564 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 512316315668 in words is "five hundred twelve billion, three hundred sixteen million, three hundred fifteen thousand, six hundred sixty-eight".