166154256 has 30 divisors (see below), whose sum is σ = 465001550. Its totient is φ = 55384704.

The previous prime is 166154167. The next prime is 166154267. The reversal of 166154256 is 652451661.

166154256 is a `hidden beast` number, since 1 + 6 + 61 + 542 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164249856 + 1904400 = 12816^2 + 1380^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 166154256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576781 + ... + 577068.

Almost surely, 2^166154256 is an apocalyptic number.

166154256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166154256 is an abundant number, since it is smaller than the sum of its proper divisors (298847294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166154256 is a wasteful number, since it uses less digits than its factorization.

166154256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153863 (or 1153854 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 166154256 is about 12890.0836304502. The cubic root of 166154256 is about 549.7566482659.

The spelling of 166154256 in words is "one hundred sixty-six million, one hundred fifty-four thousand, two hundred fifty-six".