18613626652 has 12 divisors (see below), whose sum is σ = 32615991576. Its totient is φ = 9294771920.

The previous prime is 18613626649. The next prime is 18613626679. The reversal of 18613626652 is 25662631681.

It is a congruent number.

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, 3006874 + ... + 3013057.

It is an arithmetic number, because the mean of its divisors is an integer number (2717999298).

Almost surely, 2^18613626652 is an apocalyptic number.

It is an amenable number.

18613626652 is a deficient number, since it is larger than the sum of its proper divisors (14002364924).

18613626652 is a wasteful number, since it uses less digits than its factorization.

18613626652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020708 (or 6020706 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 18613626652 in words is "eighteen billion, six hundred thirteen million, six hundred twenty-six thousand, six hundred fifty-two".