18982334442216 has 32 divisors (see below), whose sum is σ = 49519133328960. Its totient is φ = 6052338517632.

The previous prime is 18982334442191. The next prime is 18982334442221. The reversal of 18982334442216 is 61224443328981.

It is a super-2 number, since 2×18982334442216² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17194142965 + ... + 17194144068.

It is an arithmetic number, because the mean of its divisors is an integer number (1547472916530).

Almost surely, 2^{18982334442216} is an apocalyptic number.

It is an amenable number.

18982334442216 is an abundant number, since it is smaller than the sum of its proper divisors (30536798886744).

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

18982334442216 is a wasteful number, since it uses less digits than its factorization.

18982334442216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34388287065 (or 34388287061 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 18982334442216 in words is "eighteen trillion, nine hundred eighty-two billion, three hundred thirty-four million, four hundred forty-two thousand, two hundred sixteen".