166566112 has 24 divisors (see below), whose sum is σ = 333306792. Its totient is φ = 81916800.

The previous prime is 166566109. The next prime is 166566157. The reversal of 166566112 is 211665661.

It is a happy number.

166566112 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 3 ways as a sum of consecutive naturals, for example, 40714 + ... + 44617.

It is an arithmetic number, because the mean of its divisors is an integer number (13887783).

Almost surely, 2^166566112 is an apocalyptic number.

It is an amenable number.

166566112 is an abundant number, since it is smaller than the sum of its proper divisors (166740680).

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

166566112 is an equidigital number, since it uses as much as digits as its factorization.

166566112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85402 (or 85394 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 166566112 is about 12906.0494342769. The cubic root of 166566112 is about 550.2105111526.

The spelling of 166566112 in words is "one hundred sixty-six million, five hundred sixty-six thousand, one hundred twelve".