166052151 has 36 divisors (see below), whose sum is σ = 252190224. Its totient is φ = 105261120.

The previous prime is 166052129. The next prime is 166052177. The reversal of 166052151 is 151250661.

It is a happy number.

166052151 is a `hidden beast` number, since 1 + 6 + 605 + 2 + 1 + 51 = 666.

It is not a de Polignac number, because 166052151 - 2⁶ = 166052087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166052101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 631246 + ... + 631508.

It is an arithmetic number, because the mean of its divisors is an integer number (7005284).

Almost surely, 2^166052151 is an apocalyptic number.

166052151 is a deficient number, since it is larger than the sum of its proper divisors (86138073).

166052151 is a wasteful number, since it uses less digits than its factorization.

166052151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 166052151 is about 12886.1224190988. The cubic root of 166052151 is about 549.6440131638.

The spelling of 166052151 in words is "one hundred sixty-six million, fifty-two thousand, one hundred fifty-one".