13065617672 has 32 divisors (see below), whose sum is σ = 26140677600. Its totient is φ = 6104191104.

The previous prime is 13065617627. The next prime is 13065617687. The reversal of 13065617672 is 27671656031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577658 + ... + 599849.

It is an arithmetic number, because the mean of its divisors is an integer number (816896175).

Almost surely, 2^13065617672 is an apocalyptic number.

It is an amenable number.

13065617672 is an abundant number, since it is smaller than the sum of its proper divisors (13075059928).

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

13065617672 is a wasteful number, since it uses less digits than its factorization.

13065617672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177605 (or 1177601 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 13065617672 in words is "thirteen billion, sixty-five million, six hundred seventeen thousand, six hundred seventy-two".