13666464510411 has 16 divisors (see below), whose sum is σ = 19365027222528. Its totient is φ = 8543394345600.

The previous prime is 13666464510397. The next prime is 13666464510437. The reversal of 13666464510411 is 11401546466631.

It is a happy number.

It is not a de Polignac number, because 13666464510411 - 2²² = 13666460316107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13666464510011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494395575 + ... + 494423216.

It is an arithmetic number, because the mean of its divisors is an integer number (1210314201408).

Almost surely, 2^{13666464510411} is an apocalyptic number.

13666464510411 is a deficient number, since it is larger than the sum of its proper divisors (5698562712117).

13666464510411 is a wasteful number, since it uses less digits than its factorization.

13666464510411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988819082.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 13666464510411 in words is "thirteen trillion, six hundred sixty-six billion, four hundred sixty-four million, five hundred ten thousand, four hundred eleven".