36666581922 has 24 divisors (see below), whose sum is σ = 82898360064. Its totient is φ = 11690794104.

The previous prime is 36666581893. The next prime is 36666581933. The reversal of 36666581922 is 22918566663.

36666581922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44282898 + ... + 44283725.

It is an arithmetic number, because the mean of its divisors is an integer number (3454098336).

Almost surely, 2^36666581922 is an apocalyptic number.

36666581922 is an abundant number, since it is smaller than the sum of its proper divisors (46231778142).

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

36666581922 is a wasteful number, since it uses less digits than its factorization.

36666581922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88566654 (or 88566651 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 36666581922 in words is "thirty-six billion, six hundred sixty-six million, five hundred eighty-one thousand, nine hundred twenty-two".