2166302374120 has 16 divisors (see below), whose sum is σ = 4874180341860. Its totient is φ = 866520949632.

The previous prime is 2166302374109. The next prime is 2166302374133. The reversal of 2166302374120 is 214732036612.

It can be written as a sum of positive squares in 2 ways, for example, as 2041406573284 + 124895800836 = 1428778^2 + 353406^2 .

It is a super-2 number, since 2×2166302374120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2166302374120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27078779637 + ... + 27078779716.

Almost surely, 2^{2166302374120} is an apocalyptic number.

2166302374120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166302374120 is an abundant number, since it is smaller than the sum of its proper divisors (2707877967740).

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

2166302374120 is a wasteful number, since it uses less digits than its factorization.

2166302374120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54157559364 (or 54157559360 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 2166302374120 in words is "two trillion, one hundred sixty-six billion, three hundred two million, three hundred seventy-four thousand, one hundred twenty".