120166166 has 16 divisors (see below), whose sum is σ = 195292944. Its totient is φ = 55233024.

The previous prime is 120166159. The next prime is 120166177. The reversal of 120166166 is 661661021.

It is a super-2 number, since 2×120166166² = 28879814902279112, which contains 22 as substring.

It is a Curzon number.

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, 39635 + ... + 42558.

It is an arithmetic number, because the mean of its divisors is an integer number (12205809).

Almost surely, 2^120166166 is an apocalyptic number.

120166166 is a deficient number, since it is larger than the sum of its proper divisors (75126778).

120166166 is a wasteful number, since it uses less digits than its factorization.

120166166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82255.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 120166166 is about 10962.0329318973. The cubic root of 120166166 is about 493.4699768596.

The spelling of 120166166 in words is "one hundred twenty million, one hundred sixty-six thousand, one hundred sixty-six".