18672706608 has 40 divisors (see below), whose sum is σ = 50776660800. Its totient is φ = 5896643904.

The previous prime is 18672706603. The next prime is 18672706631. The reversal of 18672706608 is 80660727681.

It is not an unprimeable number, because it can be changed into a prime (18672706601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10236318 + ... + 10238141.

It is an arithmetic number, because the mean of its divisors is an integer number (1269416520).

Almost surely, 2^18672706608 is an apocalyptic number.

It is an amenable number.

18672706608 is an abundant number, since it is smaller than the sum of its proper divisors (32103954192).

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

18672706608 is a wasteful number, since it uses less digits than its factorization.

18672706608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474489 (or 20474483 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 18672706608 in words is "eighteen billion, six hundred seventy-two million, seven hundred six thousand, six hundred eight".