18672125920 has 96 divisors (see below), whose sum is σ = 50439932928. Its totient is φ = 6398673408.

The previous prime is 18672125909. The next prime is 18672125957. The reversal of 18672125920 is 2952127681.

It is a congruent 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, 3741667 + ... + 3746653.

It is an arithmetic number, because the mean of its divisors is an integer number (525415968).

Almost surely, 2^18672125920 is an apocalyptic number.

18672125920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18672125920 is an abundant number, since it is smaller than the sum of its proper divisors (31767807008).

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

18672125920 is a wasteful number, since it uses less digits than its factorization.

18672125920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352 (or 8344 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 18672125920 in words is "eighteen billion, six hundred seventy-two million, one hundred twenty-five thousand, nine hundred twenty".