166045055 has 16 divisors (see below), whose sum is σ = 217620000. Its totient is φ = 120620160.

The previous prime is 166045049. The next prime is 166045063. The reversal of 166045055 is 550540661.

It is not a de Polignac number, because 166045055 - 2¹⁰ = 166044031 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, 84221 + ... + 86169.

It is an arithmetic number, because the mean of its divisors is an integer number (13601250).

Almost surely, 2^166045055 is an apocalyptic number.

166045055 is a deficient number, since it is larger than the sum of its proper divisors (51574945).

166045055 is a wasteful number, since it uses less digits than its factorization.

166045055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 166045055 is about 12885.8470811973. The cubic root of 166045055 is about 549.6361836367.

The spelling of 166045055 in words is "one hundred sixty-six million, forty-five thousand, fifty-five".