18330448086 has 12 divisors (see below), whose sum is σ = 39715970892. Its totient is φ = 6110149356.

The previous prime is 18330448063. The next prime is 18330448111. The reversal of 18330448086 is 68084403381.

It is a super-3 number, since 3×18330448086³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509179096 + ... + 509179131.

It is an arithmetic number, because the mean of its divisors is an integer number (3309664241).

Almost surely, 2^18330448086 is an apocalyptic number.

18330448086 is an abundant number, since it is smaller than the sum of its proper divisors (21385522806).

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

18330448086 is a wasteful number, since it uses less digits than its factorization.

18330448086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018358235 (or 1018358232 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 18330448086 in words is "eighteen billion, three hundred thirty million, four hundred forty-eight thousand, eighty-six".