168113922579 has 8 divisors (see below), whose sum is σ = 249057663120. Its totient is φ = 112075948368.

The previous prime is 168113922533. The next prime is 168113922589. The reversal of 168113922579 is 975229311861.

It is a happy number.

168113922579 is a `hidden beast` number, since 1 + 6 + 8 + 11 + 39 + 22 + 579 = 666.

It is not a de Polignac number, because 168113922579 - 2²⁸ = 167845487123 is a prime.

It is a super-2 number, since 2×168113922579² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168113922589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113220762 + ... + 3113220815.

It is an arithmetic number, because the mean of its divisors is an integer number (31132207890).

Almost surely, 2^168113922579 is an apocalyptic number.

168113922579 is a deficient number, since it is larger than the sum of its proper divisors (80943740541).

168113922579 is an equidigital number, since it uses as much as digits as its factorization.

168113922579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226441586 (or 6226441580 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 168113922579 in words is "one hundred sixty-eight billion, one hundred thirteen million, nine hundred twenty-two thousand, five hundred seventy-nine".