79611732168 has 64 divisors (see below), whose sum is σ = 201618063360. Its totient is φ = 26192686656.

The previous prime is 79611732163. The next prime is 79611732223. The reversal of 79611732168 is 86123711697.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79611732168.

It is not an unprimeable number, because it can be changed into a prime (79611732163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146921 + ... + 2183687.

It is an arithmetic number, because the mean of its divisors is an integer number (3150282240).

Almost surely, 2^79611732168 is an apocalyptic number.

It is an amenable number.

79611732168 is an abundant number, since it is smaller than the sum of its proper divisors (122006331192).

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

79611732168 is a wasteful number, since it uses less digits than its factorization.

79611732168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37946 (or 37942 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The spelling of 79611732168 in words is "seventy-nine billion, six hundred eleven million, seven hundred thirty-two thousand, one hundred sixty-eight".