13660577564 has 12 divisors (see below), whose sum is σ = 23913210888. Its totient is φ = 6828231600.

The previous prime is 13660577549. The next prime is 13660577597. The reversal of 13660577564 is 46577506631.

It is a super-2 number, since 2×13660577564² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 499307 + ... + 525954.

It is an arithmetic number, because the mean of its divisors is an integer number (1992767574).

Almost surely, 2^13660577564 is an apocalyptic number.

It is an amenable number.

13660577564 is a deficient number, since it is larger than the sum of its proper divisors (10252633324).

13660577564 is a wasteful number, since it uses less digits than its factorization.

13660577564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028596 (or 1028594 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 13660577564 in words is "thirteen billion, six hundred sixty million, five hundred seventy-seven thousand, five hundred sixty-four".