516015516 has 12 divisors (see below), whose sum is σ = 1204036232. Its totient is φ = 172005168.

The previous prime is 516015499. The next prime is 516015529. The reversal of 516015516 is 615510615.

It is a tau number, because it is divible by the number of its divisors (12).

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, 21500635 + ... + 21500658.

Almost surely, 2^516015516 is an apocalyptic number.

It is an amenable number.

516015516 is an abundant number, since it is smaller than the sum of its proper divisors (688020716).

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

516015516 is a wasteful number, since it uses less digits than its factorization.

516015516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43001300 (or 43001298 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 516015516 is about 22715.9749075403. The cubic root of 516015516 is about 802.0859707634.

The spelling of 516015516 in words is "five hundred sixteen million, fifteen thousand, five hundred sixteen".