18332911216 has 40 divisors (see below), whose sum is σ = 38301454800. Its totient is φ = 8472199680.

The previous prime is 18332911213. The next prime is 18332911217. The reversal of 18332911216 is 61211923381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18332911213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722971 + ... + 747898.

It is an arithmetic number, because the mean of its divisors is an integer number (957536370).

Almost surely, 2^18332911216 is an apocalyptic number.

18332911216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18332911216 is an abundant number, since it is smaller than the sum of its proper divisors (19968543584).

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

18332911216 is a wasteful number, since it uses less digits than its factorization.

18332911216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470937 (or 1470931 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The spelling of 18332911216 in words is "eighteen billion, three hundred thirty-two million, nine hundred eleven thousand, two hundred sixteen".