516868331 has 16 divisors (see below), whose sum is σ = 596229120. Its totient is φ = 438910080.

The previous prime is 516868321. The next prime is 516868333. The reversal of 516868331 is 133868615.

It is not a de Polignac number, because 516868331 - 2²⁶ = 449759467 is a prime.

It is a super-2 number, since 2×516868331² = 534305743181451122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516868333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379091 + ... + 380451.

It is an arithmetic number, because the mean of its divisors is an integer number (37264320).

Almost surely, 2^516868331 is an apocalyptic number.

516868331 is a deficient number, since it is larger than the sum of its proper divisors (79360789).

516868331 is a wasteful number, since it uses less digits than its factorization.

516868331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its digits is 103680, while the sum is 41.

The square root of 516868331 is about 22734.7384194321. The cubic root of 516868331 is about 802.5275947331.

The spelling of 516868331 in words is "five hundred sixteen million, eight hundred sixty-eight thousand, three hundred thirty-one".