18329221483188 has 384 divisors, whose sum is σ = 54498783854592. Its totient is φ = 4656657600000.

The previous prime is 18329221483151. The next prime is 18329221483217. The reversal of 18329221483188 is 88138412292381.

It is a happy number.

It is a super-3 number, since 3×18329221483188³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12632129863 + ... + 12632131313.

It is an arithmetic number, because the mean of its divisors is an integer number (141923916288).

Almost surely, 2^{18329221483188} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18329221483188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27249391927296).

18329221483188 is an abundant number, since it is smaller than the sum of its proper divisors (36169562371404).

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

18329221483188 is a wasteful number, since it uses less digits than its factorization.

18329221483188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2633 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 60.

The spelling of 18329221483188 in words is "eighteen trillion, three hundred twenty-nine billion, two hundred twenty-one million, four hundred eighty-three thousand, one hundred eighty-eight".