516631426893 has 24 divisors (see below), whose sum is σ = 763933487616. Its totient is φ = 336292034400.

The previous prime is 516631426891. The next prime is 516631426897. The reversal of 516631426893 is 398624136615.

516631426893 is a `hidden beast` number, since 5 + 1 + 66 + 314 + 268 + 9 + 3 = 666.

It is not a de Polignac number, because 516631426893 - 2¹ = 516631426891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516631426891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272453 + ... + 1628618.

It is an arithmetic number, because the mean of its divisors is an integer number (31830561984).

Almost surely, 2^516631426893 is an apocalyptic number.

It is an amenable number.

516631426893 is a deficient number, since it is larger than the sum of its proper divisors (247302060723).

516631426893 is a wasteful number, since it uses less digits than its factorization.

516631426893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901545 (or 2901542 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 516631426893 in words is "five hundred sixteen billion, six hundred thirty-one million, four hundred twenty-six thousand, eight hundred ninety-three".