516687612 has 48 divisors (see below), whose sum is σ = 1383604992. Its totient is φ = 147006720.

The previous prime is 516687607. The next prime is 516687623. The reversal of 516687612 is 216786615.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 7483 + ... + 33005.

It is an arithmetic number, because the mean of its divisors is an integer number (28825104).

Almost surely, 2^516687612 is an apocalyptic number.

It is an amenable number.

516687612 is an abundant number, since it is smaller than the sum of its proper divisors (866917380).

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

516687612 is a wasteful number, since it uses less digits than its factorization.

516687612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778 (or 25776 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 516687612 is about 22730.7635595463. The cubic root of 516687612 is about 802.4340513152.

The spelling of 516687612 in words is "five hundred sixteen million, six hundred eighty-seven thousand, six hundred twelve".