13911999716466 has 64 divisors (see below), whose sum is σ = 33862879699200. Its totient is φ = 4214047235328.

The previous prime is 13911999716423. The next prime is 13911999716501. The reversal of 13911999716466 is 66461799911931.

13911999716466 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 1 + 9 + 99 + 71 + 6 + 466 = 666.

13911999716466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13911999716466² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13911999716394 and 13911999716403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261261030 + ... + 261314273.

It is an arithmetic number, because the mean of its divisors is an integer number (529107495300).

Almost surely, 2^{13911999716466} is an apocalyptic number.

13911999716466 is an abundant number, since it is smaller than the sum of its proper divisors (19950879982734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13911999716466 is a wasteful number, since it uses less digits than its factorization.

13911999716466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522575360 (or 522575354 counting only the distinct ones).

The product of its digits is 119042784, while the sum is 72.

The spelling of 13911999716466 in words is "thirteen trillion, nine hundred eleven billion, nine hundred ninety-nine million, seven hundred sixteen thousand, four hundred sixty-six".