166926305079 has 6 divisors (see below), whose sum is σ = 241115774016. Its totient is φ = 111284203380.

The previous prime is 166926305047. The next prime is 166926305081. The reversal of 166926305079 is 970503629661.

166926305079 is a `hidden beast` number, since 16 + 6 + 92 + 6 + 30 + 507 + 9 = 666.

It is not a de Polignac number, because 166926305079 - 2⁵ = 166926305047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166926305179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9273683607 + ... + 9273683624.

It is an arithmetic number, because the mean of its divisors is an integer number (40185962336).

Almost surely, 2^166926305079 is an apocalyptic number.

166926305079 is a deficient number, since it is larger than the sum of its proper divisors (74189468937).

166926305079 is a wasteful number, since it uses less digits than its factorization.

166926305079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18547367237 (or 18547367234 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 166926305079 in words is "one hundred sixty-six billion, nine hundred twenty-six million, three hundred five thousand, seventy-nine".