13840712168168 has 32 divisors (see below), whose sum is σ = 27482809428360. Its totient is φ = 6512108912640.

The previous prime is 13840712168137. The next prime is 13840712168183. The reversal of 13840712168168 is 86186121704831.

It can be written as a sum of positive squares in 4 ways, for example, as 7707075450244 + 6133636717924 = 2776162^2 + 2476618^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8358521 + ... + 9876552.

Almost surely, 2^{13840712168168} is an apocalyptic number.

It is an amenable number.

13840712168168 is a deficient number, since it is larger than the sum of its proper divisors (13642097260192).

13840712168168 is a wasteful number, since it uses less digits than its factorization.

13840712168168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240677 (or 18240673 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 13840712168168 in words is "thirteen trillion, eight hundred forty billion, seven hundred twelve million, one hundred sixty-eight thousand, one hundred sixty-eight".