13161616216 has 32 divisors (see below), whose sum is σ = 28226016000. Its totient is φ = 5636182176.

The previous prime is 13161616183. The next prime is 13161616229. The reversal of 13161616216 is 61261616131.

It is a congruent number.

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, 22836 + ... + 163843.

It is an arithmetic number, because the mean of its divisors is an integer number (882063000).

Almost surely, 2^13161616216 is an apocalyptic number.

It is an amenable number.

13161616216 is an abundant number, since it is smaller than the sum of its proper divisors (15064399784).

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

13161616216 is a wasteful number, since it uses less digits than its factorization.

13161616216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187951 (or 187947 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The spelling of 13161616216 in words is "thirteen billion, one hundred sixty-one million, six hundred sixteen thousand, two hundred sixteen".