13355491216 has 40 divisors (see below), whose sum is σ = 26012524824. Its totient is φ = 6642647040.

The previous prime is 13355491199. The next prime is 13355491231. The reversal of 13355491216 is 61219455331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9647168400 + 3708322816 = 98220^2 + 60896^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 5524440 + ... + 5526856.

Almost surely, 2^13355491216 is an apocalyptic number.

13355491216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13355491216 is a deficient number, since it is larger than the sum of its proper divisors (12657033608).

13355491216 is a wasteful number, since it uses less digits than its factorization.

13355491216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4093 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The spelling of 13355491216 in words is "thirteen billion, three hundred fifty-five million, four hundred ninety-one thousand, two hundred sixteen".