13291668368 has 40 divisors (see below), whose sum is σ = 29062514880. Its totient is φ = 5833331840.

The previous prime is 13291668361. The next prime is 13291668413. The reversal of 13291668368 is 86386619231.

It is not an unprimeable number, because it can be changed into a prime (13291668361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296980 + ... + 1307187.

It is an arithmetic number, because the mean of its divisors is an integer number (726562872).

Almost surely, 2^13291668368 is an apocalyptic number.

It is an amenable number.

13291668368 is an abundant number, since it is smaller than the sum of its proper divisors (15770846512).

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

13291668368 is a wasteful number, since it uses less digits than its factorization.

13291668368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604215 (or 2604209 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The spelling of 13291668368 in words is "thirteen billion, two hundred ninety-one million, six hundred sixty-eight thousand, three hundred sixty-eight".