79176661516 has 12 divisors (see below), whose sum is σ = 138564836032. Its totient is φ = 39586708368.

The previous prime is 79176661513. The next prime is 79176661517. The reversal of 79176661516 is 61516667197.

It is not an unprimeable number, because it can be changed into a prime (79176661511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292275 + ... + 493738.

Almost surely, 2^79176661516 is an apocalyptic number.

It is an amenable number.

79176661516 is a deficient number, since it is larger than the sum of its proper divisors (59388174516).

79176661516 is a wasteful number, since it uses less digits than its factorization.

79176661516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811200 (or 811198 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 55.

The spelling of 79176661516 in words is "seventy-nine billion, one hundred seventy-six million, six hundred sixty-one thousand, five hundred sixteen".