516813802680 has 128 divisors (see below), whose sum is σ = 1772286842880. Its totient is φ = 118105282560.

The previous prime is 516813802627. The next prime is 516813802693. The reversal of 516813802680 is 86208318615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4335232 + ... + 4452848.

It is an arithmetic number, because the mean of its divisors is an integer number (13845990960).

Almost surely, 2^516813802680 is an apocalyptic number.

It is an amenable number.

516813802680 is an abundant number, since it is smaller than the sum of its proper divisors (1255473040200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516813802680 is a wasteful number, since it uses less digits than its factorization.

516813802680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122869 (or 122865 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 516813802680 in words is "five hundred sixteen billion, eight hundred thirteen million, eight hundred two thousand, six hundred eighty".