18673426628384 has 72 divisors (see below), whose sum is σ = 40410516835584. Its totient is φ = 8487656496000.

The previous prime is 18673426628383. The next prime is 18673426628453. The reversal of 18673426628384 is 48382662437681.

It is a super-3 number, since 3×18673426628384³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18673426628383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179419049 + ... + 179523095.

It is an arithmetic number, because the mean of its divisors is an integer number (561257178272).

Almost surely, 2^{18673426628384} is an apocalyptic number.

It is an amenable number.

18673426628384 is an abundant number, since it is smaller than the sum of its proper divisors (21737090207200).

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

18673426628384 is a wasteful number, since it uses less digits than its factorization.

18673426628384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150430 (or 150411 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 68.

The spelling of 18673426628384 in words is "eighteen trillion, six hundred seventy-three billion, four hundred twenty-six million, six hundred twenty-eight thousand, three hundred eighty-four".