56165101166 has 4 divisors (see below), whose sum is σ = 84247651752. Its totient is φ = 28082550582.

The previous prime is 56165101121. The next prime is 56165101169. The reversal of 56165101166 is 66110156165.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×56165101166³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56165101169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041275290 + ... + 14041275293.

It is an arithmetic number, because the mean of its divisors is an integer number (21061912938).

Almost surely, 2^56165101166 is an apocalyptic number.

56165101166 is a deficient number, since it is larger than the sum of its proper divisors (28082550586).

56165101166 is a wasteful number, since it uses less digits than its factorization.

56165101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28082550585.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 56165101166 in words is "fifty-six billion, one hundred sixty-five million, one hundred one thousand, one hundred sixty-six".