18031848856688 has 20 divisors (see below), whose sum is σ = 34936860731880. Its totient is φ = 9015884796864.

The previous prime is 18031848856669. The next prime is 18031848856709. The reversal of 18031848856688 is 88665884813081.

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, 1466978 + ... + 6181886.

It is an arithmetic number, because the mean of its divisors is an integer number (1746843036594).

Almost surely, 2^{18031848856688} is an apocalyptic number.

It is an amenable number.

18031848856688 is a deficient number, since it is larger than the sum of its proper divisors (16905011875192).

18031848856688 is a wasteful number, since it uses less digits than its factorization.

18031848856688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953944 (or 4953938 counting only the distinct ones).

The product of its (nonzero) digits is 566231040, while the sum is 74.

The spelling of 18031848856688 in words is "eighteen trillion, thirty-one billion, eight hundred forty-eight million, eight hundred fifty-six thousand, six hundred eighty-eight".