18673675672528 has 80 divisors (see below), whose sum is σ = 37575257529600. Its totient is φ = 8983166146560.

The previous prime is 18673675672471. The next prime is 18673675672571. The reversal of 18673675672528 is 82527657637681.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456783193 + ... + 456824071.

It is an arithmetic number, because the mean of its divisors is an integer number (469690719120).

Almost surely, 2^{18673675672528} is an apocalyptic number.

It is an amenable number.

18673675672528 is an abundant number, since it is smaller than the sum of its proper divisors (18901581857072).

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

18673675672528 is a wasteful number, since it uses less digits than its factorization.

18673675672528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50540 (or 50534 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 73.

The spelling of 18673675672528 in words is "eighteen trillion, six hundred seventy-three billion, six hundred seventy-five million, six hundred seventy-two thousand, five hundred twenty-eight".