13268316565 has 8 divisors (see below), whose sum is σ = 18196548480. Its totient is φ = 9098274192.

The previous prime is 13268316527. The next prime is 13268316631. The reversal of 13268316565 is 56561386231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13268316565 - 2¹⁵ = 13268283797 is a prime.

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, 189547345 + ... + 189547414.

It is an arithmetic number, because the mean of its divisors is an integer number (2274568560).

Almost surely, 2^13268316565 is an apocalyptic number.

It is an amenable number.

13268316565 is a deficient number, since it is larger than the sum of its proper divisors (4928231915).

13268316565 is an equidigital number, since it uses as much as digits as its factorization.

13268316565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379094771.

The product of its digits is 777600, while the sum is 46.

The spelling of 13268316565 in words is "thirteen billion, two hundred sixty-eight million, three hundred sixteen thousand, five hundred sixty-five".