13291715516 has 6 divisors (see below), whose sum is σ = 23260502160. Its totient is φ = 6645857756.

The previous prime is 13291715501. The next prime is 13291715519. The reversal of 13291715516 is 61551719231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291715519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661464436 + ... + 1661464443.

It is an arithmetic number, because the mean of its divisors is an integer number (3876750360).

Almost surely, 2^13291715516 is an apocalyptic number.

It is an amenable number.

13291715516 is a deficient number, since it is larger than the sum of its proper divisors (9968786644).

13291715516 is a wasteful number, since it uses less digits than its factorization.

13291715516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322928883 (or 3322928881 counting only the distinct ones).

The product of its digits is 56700, while the sum is 41.

The spelling of 13291715516 in words is "thirteen billion, two hundred ninety-one million, seven hundred fifteen thousand, five hundred sixteen".