18702036853672 has 32 divisors (see below), whose sum is σ = 35233853497920. Its totient is φ = 9306345968640.

The previous prime is 18702036853667. The next prime is 18702036853751. The reversal of 18702036853672 is 27635863020781.

It is a super-2 number, since 2×18702036853672² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47230573 + ... + 47624899.

It is an arithmetic number, because the mean of its divisors is an integer number (1101057921810).

Almost surely, 2^{18702036853672} is an apocalyptic number.

It is an amenable number.

18702036853672 is a deficient number, since it is larger than the sum of its proper divisors (16531816644248).

18702036853672 is a wasteful number, since it uses less digits than its factorization.

18702036853672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422641 (or 422637 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 18702036853672 in words is "eighteen trillion, seven hundred two billion, thirty-six million, eight hundred fifty-three thousand, six hundred seventy-two".