56372779166 has 16 divisors (see below), whose sum is σ = 92255829120. Its totient is φ = 25621361880.

The previous prime is 56372779139. The next prime is 56372779217. The reversal of 56372779166 is 66197727365.

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, 96695 + ... + 349421.

It is an arithmetic number, because the mean of its divisors is an integer number (5765989320).

Almost surely, 2^56372779166 is an apocalyptic number.

56372779166 is a deficient number, since it is larger than the sum of its proper divisors (35883049954).

56372779166 is a wasteful number, since it uses less digits than its factorization.

56372779166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262879.

The product of its digits is 20003760, while the sum is 59.

It can be divided in two parts, 56372 and 779166, that added together give a palindrome (835538).

The spelling of 56372779166 in words is "fifty-six billion, three hundred seventy-two million, seven hundred seventy-nine thousand, one hundred sixty-six".