2166885590112 has 120 divisors (see below), whose sum is σ = 6477222118752. Its totient is φ = 710454240000.

The previous prime is 2166885590099. The next prime is 2166885590113. The reversal of 2166885590112 is 2110955886612.

2166885590112 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 88 + 559 + 0 + 1 + 1 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166885590113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6694264 + ... + 7010487.

Almost surely, 2^{2166885590112} is an apocalyptic number.

It is an amenable number.

2166885590112 is an abundant number, since it is smaller than the sum of its proper divisors (4310336528640).

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

2166885590112 is a wasteful number, since it uses less digits than its factorization.

2166885590112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704834 (or 13704817 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 2166885590112 in words is "two trillion, one hundred sixty-six billion, eight hundred eighty-five million, five hundred ninety thousand, one hundred twelve".