18684574696 has 16 divisors (see below), whose sum is σ = 36163693440. Its totient is φ = 9040923120.

The previous prime is 18684574679. The next prime is 18684574717. The reversal of 18684574696 is 69647548681.

It is a super-2 number, since 2×18684574696² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37670266 + ... + 37670761.

It is an arithmetic number, because the mean of its divisors is an integer number (2260230840).

Almost surely, 2^18684574696 is an apocalyptic number.

It is an amenable number.

18684574696 is a deficient number, since it is larger than the sum of its proper divisors (17479118744).

18684574696 is a wasteful number, since it uses less digits than its factorization.

18684574696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75341064 (or 75341060 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 64.

The spelling of 18684574696 in words is "eighteen billion, six hundred eighty-four million, five hundred seventy-four thousand, six hundred ninety-six".