166876671 has 16 divisors (see below), whose sum is σ = 240347744. Its totient is φ = 102380544.

The previous prime is 166876667. The next prime is 166876693. The reversal of 166876671 is 176678661.

It is not a de Polignac number, because 166876671 - 2² = 166876667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166876671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166876271) 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 15 ways as a sum of consecutive naturals, for example, 6795 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (15021734).

Almost surely, 2^166876671 is an apocalyptic number.

166876671 is a deficient number, since it is larger than the sum of its proper divisors (73471073).

166876671 is a wasteful number, since it uses less digits than its factorization.

166876671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050.

The product of its digits is 508032, while the sum is 48.

The square root of 166876671 is about 12918.0753597430. The cubic root of 166876671 is about 550.5522508132.

The spelling of 166876671 in words is "one hundred sixty-six million, eight hundred seventy-six thousand, six hundred seventy-one".