79580168108660 has 12 divisors (see below), whose sum is σ = 167118353028228. Its totient is φ = 31832067243456.

The previous prime is 79580168108657. The next prime is 79580168108669. The reversal of 79580168108660 is 6680186108597.

It can be written as a sum of positive squares in 2 ways, for example, as 43707806771344 + 35872361337316 = 6611188^2 + 5989354^2 .

It is a super-2 number, since 2×79580168108660² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79580168108669) 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, 1989504202697 + ... + 1989504202736.

It is an arithmetic number, because the mean of its divisors is an integer number (13926529419019).

Almost surely, 2^{79580168108660} is an apocalyptic number.

It is an amenable number.

79580168108660 is an abundant number, since it is smaller than the sum of its proper divisors (87538184919568).

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

79580168108660 is a wasteful number, since it uses less digits than its factorization.

79580168108660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979008405442 (or 3979008405440 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 79580168108660 in words is "seventy-nine trillion, five hundred eighty billion, one hundred sixty-eight million, one hundred eight thousand, six hundred sixty".