18788607620716 has 12 divisors (see below), whose sum is σ = 34013858623920. Its totient is φ = 9070362299600.

The previous prime is 18788607620663. The next prime is 18788607620749. The reversal of 18788607620716 is 61702670688781.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80985377560 + ... + 80985377791.

It is an arithmetic number, because the mean of its divisors is an integer number (2834488218660).

Almost surely, 2^{18788607620716} is an apocalyptic number.

It is an amenable number.

18788607620716 is a deficient number, since it is larger than the sum of its proper divisors (15225251003204).

18788607620716 is a wasteful number, since it uses less digits than its factorization.

18788607620716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161970755384 (or 161970755382 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 67.

The spelling of 18788607620716 in words is "eighteen trillion, seven hundred eighty-eight billion, six hundred seven million, six hundred twenty thousand, seven hundred sixteen".