56650101666 has 16 divisors (see below), whose sum is σ = 113304818304. Its totient is φ = 18882598064.

The previous prime is 56650101653. The next prime is 56650101667. The reversal of 56650101666 is 66610105665.

It is not an unprimeable number, because it can be changed into a prime (56650101667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20970 + ... + 337253.

It is an arithmetic number, because the mean of its divisors is an integer number (7081551144).

Almost surely, 2^56650101666 is an apocalyptic number.

56650101666 is an abundant number, since it is smaller than the sum of its proper divisors (56654716638).

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

56650101666 is a wasteful number, since it uses less digits than its factorization.

56650101666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384585.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 56650101666 in words is "fifty-six billion, six hundred fifty million, one hundred one thousand, six hundred sixty-six".