56765166 has 8 divisors (see below), whose sum is σ = 113530344. Its totient is φ = 18921720.

The previous prime is 56765161. The next prime is 56765167. The reversal of 56765166 is 66156765.

It is a sphenic number, since it is the product of 3 distinct primes.

56765166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56765161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730425 + ... + 4730436.

It is an arithmetic number, because the mean of its divisors is an integer number (14191293).

Almost surely, 2^56765166 is an apocalyptic number.

56765166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56765166 is a wasteful number, since it uses less digits than its factorization.

56765166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9460866.

The product of its digits is 226800, while the sum is 42.

The square root of 56765166 is about 7534.2661221913. The cubic root of 56765166 is about 384.3208716693.

The spelling of 56765166 in words is "fifty-six million, seven hundred sixty-five thousand, one hundred sixty-six".