166665058 has 16 divisors (see below), whose sum is σ = 285882624. Its totient is φ = 71385120.

The previous prime is 166665043. The next prime is 166665089. The reversal of 166665058 is 850566661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35166 + ... + 39622.

It is an arithmetic number, because the mean of its divisors is an integer number (17867664).

Almost surely, 2^166665058 is an apocalyptic number.

166665058 is a deficient number, since it is larger than the sum of its proper divisors (119217566).

166665058 is a wasteful number, since it uses less digits than its factorization.

166665058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 166665058 is about 12909.8821838156. The cubic root of 166665058 is about 550.3194375766.

The spelling of 166665058 in words is "one hundred sixty-six million, six hundred sixty-five thousand, fifty-eight".