516691912 has 64 divisors (see below), whose sum is σ = 1085918400. Its totient is φ = 228483840.

The previous prime is 516691891. The next prime is 516691933. The reversal of 516691912 is 219196615.

It is an interprime number because it is at equal distance from previous prime (516691891) and next prime (516691933).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647898 + ... + 648694.

It is an arithmetic number, because the mean of its divisors is an integer number (16967475).

Almost surely, 2^516691912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516691912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542959200).

516691912 is an abundant number, since it is smaller than the sum of its proper divisors (569226488).

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

516691912 is a wasteful number, since it uses less digits than its factorization.

516691912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its digits is 29160, while the sum is 40.

The square root of 516691912 is about 22730.8581448215. The cubic root of 516691912 is about 802.4362773262.

The spelling of 516691912 in words is "five hundred sixteen million, six hundred ninety-one thousand, nine hundred twelve".