166457254337 has 16 divisors (see below), whose sum is σ = 191590686720. Its totient is φ = 143027614800.

The previous prime is 166457254297. The next prime is 166457254339. The reversal of 166457254337 is 733452754661.

It is not a de Polignac number, because 166457254337 - 2²⁰ = 166456205761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166457254339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833873 + ... + 1014030.

It is an arithmetic number, because the mean of its divisors is an integer number (11974417920).

Almost surely, 2^166457254337 is an apocalyptic number.

It is an amenable number.

166457254337 is a deficient number, since it is larger than the sum of its proper divisors (25133432383).

166457254337 is a wasteful number, since it uses less digits than its factorization.

166457254337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848364.

The product of its digits is 12700800, while the sum is 53.

The spelling of 166457254337 in words is "one hundred sixty-six billion, four hundred fifty-seven million, two hundred fifty-four thousand, three hundred thirty-seven".