13686606916 has 6 divisors (see below), whose sum is σ = 23951562110. Its totient is φ = 6843303456.

The previous prime is 13686606911. The next prime is 13686606961. The reversal of 13686606916 is 61960668631.

It can be written as a sum of positive squares in only one way, i.e., 13676366916 + 10240000 = 116946^2 + 3200^2 .

It is not an unprimeable number, because it can be changed into a prime (13686606911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710825861 + ... + 1710825868.

Almost surely, 2^13686606916 is an apocalyptic number.

It is an amenable number.

13686606916 is a deficient number, since it is larger than the sum of its proper divisors (10264955194).

13686606916 is a wasteful number, since it uses less digits than its factorization.

13686606916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421651733 (or 3421651731 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 13686606916 in words is "thirteen billion, six hundred eighty-six million, six hundred six thousand, nine hundred sixteen".