18389006684 has 12 divisors (see below), whose sum is σ = 33218851008. Its totient is φ = 8897906400.

The previous prime is 18389006663. The next prime is 18389006687. The reversal of 18389006684 is 48660098381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18389006687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74149097 + ... + 74149344.

It is an arithmetic number, because the mean of its divisors is an integer number (2768237584).

Almost surely, 2^18389006684 is an apocalyptic number.

It is an amenable number.

18389006684 is a deficient number, since it is larger than the sum of its proper divisors (14829844324).

18389006684 is a wasteful number, since it uses less digits than its factorization.

18389006684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148298476 (or 148298474 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 18389006684 in words is "eighteen billion, three hundred eighty-nine million, six thousand, six hundred eighty-four".