13866108688 has 20 divisors (see below), whose sum is σ = 26897107468. Its totient is φ = 6924919680.

The previous prime is 13866108673. The next prime is 13866108703. The reversal of 13866108688 is 88680166831.

It is an interprime number because it is at equal distance from previous prime (13866108673) and next prime (13866108703).

It can be written as a sum of positive squares in 2 ways, for example, as 1882865664 + 11983243024 = 43392^2 + 109468^2 .

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, 494343 + ... + 521638.

Almost surely, 2^13866108688 is an apocalyptic number.

It is an amenable number.

13866108688 is a deficient number, since it is larger than the sum of its proper divisors (13030998780).

13866108688 is a wasteful number, since it uses less digits than its factorization.

13866108688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016842 (or 1016836 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 13866108688 in words is "thirteen billion, eight hundred sixty-six million, one hundred eight thousand, six hundred eighty-eight".