13660764836 has 12 divisors (see below), whose sum is σ = 24008942412. Its totient is φ = 6801067008.

The previous prime is 13660764781. The next prime is 13660764889. The reversal of 13660764836 is 63846706631.

It can be written as a sum of positive squares in 2 ways, for example, as 6586945600 + 7073819236 = 81160^2 + 84106^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327805 + ... + 7329668.

It is an arithmetic number, because the mean of its divisors is an integer number (2000745201).

Almost surely, 2^13660764836 is an apocalyptic number.

It is an amenable number.

13660764836 is a deficient number, since it is larger than the sum of its proper divisors (10348177576).

13660764836 is a wasteful number, since it uses less digits than its factorization.

13660764836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14657710 (or 14657708 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 13660764836 in words is "thirteen billion, six hundred sixty million, seven hundred sixty-four thousand, eight hundred thirty-six".