18083968080 has 40 divisors (see below), whose sum is σ = 56060301792. Its totient is φ = 4822391424.

The previous prime is 18083968033. The next prime is 18083968099. The reversal of 18083968080 is 8086938081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 37674694 + ... + 37675173.

Almost surely, 2^18083968080 is an apocalyptic number.

18083968080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18083968080 is an abundant number, since it is smaller than the sum of its proper divisors (37976333712).

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

18083968080 is a wasteful number, since it uses less digits than its factorization.

18083968080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75349883 (or 75349877 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 18083968080 in words is "eighteen billion, eighty-three million, nine hundred sixty-eight thousand, eighty".