120166556 has 12 divisors (see below), whose sum is σ = 210433440. Its totient is φ = 60042720.

The previous prime is 120166547. The next prime is 120166561. The reversal of 120166556 is 655661021.

It is a super-2 number, since 2×120166556² = 28880002361802272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (17536120).

Almost surely, 2^120166556 is an apocalyptic number.

It is an amenable number.

120166556 is a deficient number, since it is larger than the sum of its proper divisors (90266884).

120166556 is a wasteful number, since it uses less digits than its factorization.

120166556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20284 (or 20282 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 120166556 is about 10962.0507205541. The cubic root of 120166556 is about 493.4705107123.

The spelling of 120166556 in words is "one hundred twenty million, one hundred sixty-six thousand, five hundred fifty-six".