79194186660 has 24 divisors (see below), whose sum is σ = 221743722816. Its totient is φ = 21118449760.

The previous prime is 79194186619. The next prime is 79194186677. The reversal of 79194186660 is 6668149197.

It is a self number, because there is not a number n which added to its sum of digits gives 79194186660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659951496 + ... + 659951615.

It is an arithmetic number, because the mean of its divisors is an integer number (9239321784).

Almost surely, 2^79194186660 is an apocalyptic number.

It is an amenable number.

79194186660 is an abundant number, since it is smaller than the sum of its proper divisors (142549536156).

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

79194186660 is a wasteful number, since it uses less digits than its factorization.

79194186660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319903123 (or 1319903121 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 79194186660 in words is "seventy-nine billion, one hundred ninety-four million, one hundred eighty-six thousand, six hundred sixty".