79601668542 has 64 divisors (see below), whose sum is σ = 197461566720. Its totient is φ = 23560740000.

The previous prime is 79601668537. The next prime is 79601668543. The reversal of 79601668542 is 24586610697.

79601668542 is a `hidden beast` number, since 7 + 96 + 0 + 1 + 6 + 6 + 8 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79601668543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532709 + ... + 1583792.

It is an arithmetic number, because the mean of its divisors is an integer number (3085336980).

Almost surely, 2^79601668542 is an apocalyptic number.

79601668542 is an abundant number, since it is smaller than the sum of its proper divisors (117859898178).

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

79601668542 is a wasteful number, since it uses less digits than its factorization.

79601668542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116566 (or 3116560 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 79601668542 in words is "seventy-nine billion, six hundred one million, six hundred sixty-eight thousand, five hundred forty-two".