2166092160 has 256 divisors, whose sum is σ = 7271147520. Its totient is φ = 547430400.

The previous prime is 2166092143. The next prime is 2166092161. The reversal of 2166092160 is 612906612.

It is a super-2 number, since 2×2166092160² = 9383910491226931200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166092161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7992825 + ... + 7993095.

It is an arithmetic number, because the mean of its divisors is an integer number (28402920).

Almost surely, 2^2166092160 is an apocalyptic number.

2166092160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2166092160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635573760).

2166092160 is an abundant number, since it is smaller than the sum of its proper divisors (5105055360).

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

2166092160 is a wasteful number, since it uses less digits than its factorization.

2166092160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2166092160 is about 46541.2952118868. The cubic root of 2166092160 is about 1293.8749659214.

Adding to 2166092160 its reverse (612906612), we get a palindrome (2778998772).

The spelling of 2166092160 in words is "two billion, one hundred sixty-six million, ninety-two thousand, one hundred sixty".