37472591666 has 32 divisors (see below), whose sum is σ = 60352169472. Its totient is φ = 17387550720.

The previous prime is 37472591647. The next prime is 37472591693. The reversal of 37472591666 is 66619527473.

37472591666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872795 + ... + 914721.

It is an arithmetic number, because the mean of its divisors is an integer number (1886005296).

Almost surely, 2^37472591666 is an apocalyptic number.

37472591666 is a deficient number, since it is larger than the sum of its proper divisors (22879577806).

37472591666 is a wasteful number, since it uses less digits than its factorization.

37472591666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42314.

The product of its digits is 11430720, while the sum is 56.

The spelling of 37472591666 in words is "thirty-seven billion, four hundred seventy-two million, five hundred ninety-one thousand, six hundred sixty-six".