166304055 has 16 divisors (see below), whose sum is σ = 280091520. Its totient is φ = 84027168.

The previous prime is 166304023. The next prime is 166304123. The reversal of 166304055 is 550403661.

It is not a de Polignac number, because 166304055 - 2⁵ = 166304023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291477 + ... + 292046.

It is an arithmetic number, because the mean of its divisors is an integer number (17505720).

Almost surely, 2^166304055 is an apocalyptic number.

166304055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166304055 is a deficient number, since it is larger than the sum of its proper divisors (113787465).

166304055 is a wasteful number, since it uses less digits than its factorization.

166304055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583550.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 166304055 is about 12895.8929508584. The cubic root of 166304055 is about 549.9218125769.

The spelling of 166304055 in words is "one hundred sixty-six million, three hundred four thousand, fifty-five".