13665696956 has 12 divisors (see below), whose sum is σ = 24035146800. Its totient is φ = 6798512160.

The previous prime is 13665696953. The next prime is 13665696983. The reversal of 13665696956 is 65969656631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13665696953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8583185 + ... + 8584776.

It is an arithmetic number, because the mean of its divisors is an integer number (2002928900).

Almost surely, 2^13665696956 is an apocalyptic number.

It is an amenable number.

13665696956 is a deficient number, since it is larger than the sum of its proper divisors (10369449844).

13665696956 is a wasteful number, since it uses less digits than its factorization.

13665696956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168164 (or 17168162 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 62.

The spelling of 13665696956 in words is "thirteen billion, six hundred sixty-five million, six hundred ninety-six thousand, nine hundred fifty-six".