166151164 has 12 divisors (see below), whose sum is σ = 298623304. Its totient is φ = 80830224.

The previous prime is 166151159. The next prime is 166151173. The reversal of 166151164 is 461151661.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561174 + ... + 561469.

Almost surely, 2^166151164 is an apocalyptic number.

It is an amenable number.

166151164 is a deficient number, since it is larger than the sum of its proper divisors (132472140).

166151164 is a wasteful number, since it uses less digits than its factorization.

166151164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122684 (or 1122682 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 166151164 is about 12889.9636927340. The cubic root of 166151164 is about 549.7532380652.

It can be divided in two parts, 1661 and 51164, that added together give a palindrome (52825).

The spelling of 166151164 in words is "one hundred sixty-six million, one hundred fifty-one thousand, one hundred sixty-four".