166045154 has 24 divisors (see below), whose sum is σ = 289879884. Its totient is φ = 71033600.

The previous prime is 166045147. The next prime is 166045163. The reversal of 166045154 is 451540661.

It can be written as a sum of positive squares in 2 ways, for example, as 135187129 + 30858025 = 11627^2 + 5555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166045154.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16067 + ... + 24294.

Almost surely, 2^166045154 is an apocalyptic number.

166045154 is a deficient number, since it is larger than the sum of its proper divisors (123834730).

166045154 is a wasteful number, since it uses less digits than its factorization.

166045154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40402 (or 40391 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 166045154 is about 12885.8509226205. The cubic root of 166045154 is about 549.6362928720.

The spelling of 166045154 in words is "one hundred sixty-six million, forty-five thousand, one hundred fifty-four".