18883710672 has 40 divisors (see below), whose sum is σ = 48938814144. Its totient is φ = 6274454784.

The previous prime is 18883710661. The next prime is 18883710689. The reversal of 18883710672 is 27601738881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613428 + ... + 643475.

Almost surely, 2^18883710672 is an apocalyptic number.

18883710672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18883710672 is an abundant number, since it is smaller than the sum of its proper divisors (30055103472).

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

18883710672 is a wasteful number, since it uses less digits than its factorization.

18883710672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257227 (or 1257221 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 18883710672 in words is "eighteen billion, eight hundred eighty-three million, seven hundred ten thousand, six hundred seventy-two".