13165380784 has 20 divisors (see below), whose sum is σ = 25602758640. Its totient is φ = 6558217280.

The previous prime is 13165380769. The next prime is 13165380797. The reversal of 13165380784 is 48708356131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525132 + ... + 1533739.

It is an arithmetic number, because the mean of its divisors is an integer number (1280137932).

Almost surely, 2^13165380784 is an apocalyptic number.

It is an amenable number.

13165380784 is a deficient number, since it is larger than the sum of its proper divisors (12437377856).

13165380784 is a wasteful number, since it uses less digits than its factorization.

13165380784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059148 (or 3059142 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 13165380784 in words is "thirteen billion, one hundred sixty-five million, three hundred eighty thousand, seven hundred eighty-four".