166826166 has 16 divisors (see below), whose sum is σ = 359318064. Its totient is φ = 51331104.

The previous prime is 166826141. The next prime is 166826189. The reversal of 166826166 is 661628661.

166826166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1069321 + ... + 1069476.

It is an arithmetic number, because the mean of its divisors is an integer number (22457379).

Almost surely, 2^166826166 is an apocalyptic number.

166826166 is an abundant number, since it is smaller than the sum of its proper divisors (192491898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166826166 is a wasteful number, since it uses less digits than its factorization.

166826166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138815.

The product of its digits is 124416, while the sum is 42.

The square root of 166826166 is about 12916.1203927495. The cubic root of 166826166 is about 550.4967039097.

The spelling of 166826166 in words is "one hundred sixty-six million, eight hundred twenty-six thousand, one hundred sixty-six".