18706906700 has 36 divisors (see below), whose sum is σ = 40601984640. Its totient is φ = 7481288640.

The previous prime is 18706906637. The next prime is 18706906717. The reversal of 18706906700 is 760960781.

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, 592514 + ... + 623286.

Almost surely, 2^18706906700 is an apocalyptic number.

18706906700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18706906700 is an abundant number, since it is smaller than the sum of its proper divisors (21895077940).

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

18706906700 is a wasteful number, since it uses less digits than its factorization.

18706906700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866 (or 36859 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 18706906700 in words is "eighteen billion, seven hundred six million, nine hundred six thousand, seven hundred".