11612408166 has 12 divisors (see below), whose sum is σ = 25160217732. Its totient is φ = 3870802716.

The previous prime is 11612408149. The next prime is 11612408177. The reversal of 11612408166 is 66180421611.

11612408166 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11612408166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322566876 + ... + 322566911.

It is an arithmetic number, because the mean of its divisors is an integer number (2096684811).

Almost surely, 2^11612408166 is an apocalyptic number.

11612408166 is an abundant number, since it is smaller than the sum of its proper divisors (13547809566).

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

11612408166 is a wasteful number, since it uses less digits than its factorization.

11612408166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645133795 (or 645133792 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 11612408166 its reverse (66180421611), we get a palindrome (77792829777).

The spelling of 11612408166 in words is "eleven billion, six hundred twelve million, four hundred eight thousand, one hundred sixty-six".