12166450115796 has 48 divisors (see below), whose sum is σ = 31551577444800. Its totient is φ = 4054335358176.

The previous prime is 12166450115779. The next prime is 12166450115843. The reversal of 12166450115796 is 69751105466121.

12166450115796 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 6 + 4 + 50 + 11 + 579 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15561306 + ... + 16324433.

It is an arithmetic number, because the mean of its divisors is an integer number (657324530100).

Almost surely, 2^{12166450115796} is an apocalyptic number.

It is an amenable number.

12166450115796 is an abundant number, since it is smaller than the sum of its proper divisors (19385127329004).

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

12166450115796 is a wasteful number, since it uses less digits than its factorization.

12166450115796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31889285 (or 31889277 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 12166450115796 in words is "twelve trillion, one hundred sixty-six billion, four hundred fifty million, one hundred fifteen thousand, seven hundred ninety-six".