13081932216 has 48 divisors (see below), whose sum is σ = 36742469400. Its totient is φ = 4360643424.

The previous prime is 13081932209. The next prime is 13081932221. The reversal of 13081932216 is 61223918031.

13081932216 is a `hidden beast` number, since 1 + 308 + 19 + 322 + 16 = 666.

It is a super-2 number, since 2×13081932216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3362751 + ... + 3366638.

Almost surely, 2^13081932216 is an apocalyptic number.

It is an amenable number.

13081932216 is an abundant number, since it is smaller than the sum of its proper divisors (23660537184).

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

13081932216 is an equidigital number, since it uses as much as digits as its factorization.

13081932216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729410 (or 6729394 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 13081932216 in words is "thirteen billion, eighty-one million, nine hundred thirty-two thousand, two hundred sixteen".