516857509732 has 12 divisors (see below), whose sum is σ = 952105939120. Its totient is φ = 244827241416.

The previous prime is 516857509711. The next prime is 516857509733. The reversal of 516857509732 is 237905758615.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (516857509733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400378278 + ... + 3400378429.

Almost surely, 2^516857509732 is an apocalyptic number.

It is an amenable number.

516857509732 is a deficient number, since it is larger than the sum of its proper divisors (435248429388).

516857509732 is a wasteful number, since it uses less digits than its factorization.

516857509732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800756730 (or 6800756728 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 516857509732 in words is "five hundred sixteen billion, eight hundred fifty-seven million, five hundred nine thousand, seven hundred thirty-two".