13660675443 has 12 divisors (see below), whose sum is σ = 20151919008. Its totient is φ = 8913348240.

The previous prime is 13660675411. The next prime is 13660675447. The reversal of 13660675443 is 34457606631.

13660675443 is a `hidden beast` number, since 1 + 36 + 606 + 7 + 5 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 13660675443 - 2⁵ = 13660675411 is a prime.

It is a super-2 number, since 2×13660675443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13660675447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16146948 + ... + 16147793.

It is an arithmetic number, because the mean of its divisors is an integer number (1679326584).

Almost surely, 2^13660675443 is an apocalyptic number.

13660675443 is a deficient number, since it is larger than the sum of its proper divisors (6491243565).

13660675443 is a wasteful number, since it uses less digits than its factorization.

13660675443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32294794 (or 32294791 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 13660675443 in words is "thirteen billion, six hundred sixty million, six hundred seventy-five thousand, four hundred forty-three".