516531664 has 20 divisors (see below), whose sum is σ = 1091760480. Its totient is φ = 234787040.

The previous prime is 516531649. The next prime is 516531749. The reversal of 516531664 is 466135615.

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, 1467244 + ... + 1467595.

It is an arithmetic number, because the mean of its divisors is an integer number (54588024).

Almost surely, 2^516531664 is an apocalyptic number.

It is an amenable number.

516531664 is an abundant number, since it is smaller than the sum of its proper divisors (575228816).

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

516531664 is a wasteful number, since it uses less digits than its factorization.

516531664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934858 (or 2934852 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 516531664 is about 22727.3329715565. The cubic root of 516531664 is about 802.3533122804.

The spelling of 516531664 in words is "five hundred sixteen million, five hundred thirty-one thousand, six hundred sixty-four".