18673675672548 has 48 divisors (see below), whose sum is σ = 46924037838720. Its totient is φ = 5745692169984.

The previous prime is 18673675672471. The next prime is 18673675672571. The reversal of 18673675672548 is 84527657637681.

It is a super-2 number, since 2×18673675672548² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18673675672548.

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, 17974033 + ... + 18984551.

It is an arithmetic number, because the mean of its divisors is an integer number (977584121640).

Almost surely, 2^{18673675672548} is an apocalyptic number.

It is an amenable number.

18673675672548 is an abundant number, since it is smaller than the sum of its proper divisors (28250362166172).

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

18673675672548 is a wasteful number, since it uses less digits than its factorization.

18673675672548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128996 (or 1128994 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 75.

The spelling of 18673675672548 in words is "eighteen trillion, six hundred seventy-three billion, six hundred seventy-five million, six hundred seventy-two thousand, five hundred forty-eight".