2166885590118 has 8 divisors (see below), whose sum is σ = 4333771180248. Its totient is φ = 722295196704.

The previous prime is 2166885590113. The next prime is 2166885590137. The reversal of 2166885590118 is 8110955886612.

It is a sphenic number, since it is the product of 3 distinct primes.

2166885590118 is an admirable number.

It is a super-2 number, since 2×2166885590118² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 180573799171 + ... + 180573799182.

It is an arithmetic number, because the mean of its divisors is an integer number (541721397531).

Almost surely, 2^{2166885590118} is an apocalyptic number.

2166885590118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2166885590118 is a wasteful number, since it uses less digits than its factorization.

2166885590118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361147598358.

The product of its (nonzero) digits is 8294400, while the sum is 60.

The spelling of 2166885590118 in words is "two trillion, one hundred sixty-six billion, eight hundred eighty-five million, five hundred ninety thousand, one hundred eighteen".