56180166 has 24 divisors (see below), whose sum is σ = 130705560. Its totient is φ = 16051392.

The previous prime is 56180129. The next prime is 56180239. The reversal of 56180166 is 66108165.

It is a super-2 number, since 2×56180166² = 6312422103575112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95251 + ... + 95838.

It is an arithmetic number, because the mean of its divisors is an integer number (5446065).

Almost surely, 2^56180166 is an apocalyptic number.

56180166 is an abundant number, since it is smaller than the sum of its proper divisors (74525394).

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

56180166 is a wasteful number, since it uses less digits than its factorization.

56180166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191108 (or 191101 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 56180166 is about 7495.3429541282. The cubic root of 56180166 is about 382.9960891919.

The spelling of 56180166 in words is "fifty-six million, one hundred eighty thousand, one hundred sixty-six".