56041662666 has 16 divisors (see below), whose sum is σ = 122272718688. Its totient is φ = 16982322000.

The previous prime is 56041662659. The next prime is 56041662671. The reversal of 56041662666 is 66626614065.

It is a happy number.

56041662666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 424557985 + ... + 424558116.

It is an arithmetic number, because the mean of its divisors is an integer number (7642044918).

Almost surely, 2^56041662666 is an apocalyptic number.

56041662666 is an abundant number, since it is smaller than the sum of its proper divisors (66231056022).

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

56041662666 is a wasteful number, since it uses less digits than its factorization.

56041662666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849116117.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 56041662666 in words is "fifty-six billion, forty-one million, six hundred sixty-two thousand, six hundred sixty-six".