18730018858716 has 36 divisors (see below), whose sum is σ = 51649445944824. Its totient is φ = 5675763290400.

The previous prime is 18730018858697. The next prime is 18730018858729. The reversal of 18730018858716 is 61785881003781.

18730018858716 is a `hidden beast` number, since 1 + 8 + 7 + 30 + 0 + 1 + 8 + 8 + 587 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×18730018858716² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23649013315 + ... + 23649014106.

Almost surely, 2^{18730018858716} is an apocalyptic number.

It is an amenable number.

18730018858716 is an abundant number, since it is smaller than the sum of its proper divisors (32919427086108).

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

18730018858716 is a wasteful number, since it uses less digits than its factorization.

18730018858716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47298027442 (or 47298027437 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 18730018858716 in words is "eighteen trillion, seven hundred thirty billion, eighteen million, eight hundred fifty-eight thousand, seven hundred sixteen".