13111646166 has 12 divisors (see below), whose sum is σ = 28408566732. Its totient is φ = 4370548716.

The previous prime is 13111646153. The next prime is 13111646167. The reversal of 13111646166 is 66164611131.

13111646166 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 1 + 646 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13111646166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111646167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364212376 + ... + 364212411.

It is an arithmetic number, because the mean of its divisors is an integer number (2367380561).

Almost surely, 2^13111646166 is an apocalyptic number.

13111646166 is an abundant number, since it is smaller than the sum of its proper divisors (15296920566).

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

13111646166 is a wasteful number, since it uses less digits than its factorization.

13111646166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728424795 (or 728424792 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The spelling of 13111646166 in words is "thirteen billion, one hundred eleven million, six hundred forty-six thousand, one hundred sixty-six".