18207986048 has 192 divisors, whose sum is σ = 43532208720. Its totient is φ = 7559516160.

The previous prime is 18207985993. The next prime is 18207986053. The reversal of 18207986048 is 84068970281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48814790 + ... + 48815162.

Almost surely, 2^18207986048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18207986048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21766104360).

18207986048 is an abundant number, since it is smaller than the sum of its proper divisors (25324222672).

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

18207986048 is a wasteful number, since it uses less digits than its factorization.

18207986048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 18207986048 in words is "eighteen billion, two hundred seven million, nine hundred eighty-six thousand, forty-eight".