166168306079 has 4 divisors (see below), whose sum is σ = 167638822176. Its totient is φ = 164697789984.

The previous prime is 166168306069. The next prime is 166168306111. The reversal of 166168306079 is 970603861661.

166168306079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166168306079 - 2²⁴ = 166151528863 is a prime.

It is a super-2 number, since 2×166168306079² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166168306079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166168306009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735257879 + ... + 735258104.

It is an arithmetic number, because the mean of its divisors is an integer number (41909705544).

Almost surely, 2^166168306079 is an apocalyptic number.

166168306079 is a deficient number, since it is larger than the sum of its proper divisors (1470516097).

166168306079 is a wasteful number, since it uses less digits than its factorization.

166168306079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470516096.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 166168306079 in words is "one hundred sixty-six billion, one hundred sixty-eight million, three hundred six thousand, seventy-nine".