2165793892 has 12 divisors (see below), whose sum is σ = 3920833980. Its totient is φ = 1045555616.

The previous prime is 2165793871. The next prime is 2165793899. The reversal of 2165793892 is 2983975612.

It can be written as a sum of positive squares in 2 ways, for example, as 1330352676 + 835441216 = 36474^2 + 28904^2 .

It is not an unprimeable number, because it can be changed into a prime (2165793899) 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, 9335203 + ... + 9335434.

It is an arithmetic number, because the mean of its divisors is an integer number (326736165).

Almost surely, 2^2165793892 is an apocalyptic number.

It is an amenable number.

2165793892 is a deficient number, since it is larger than the sum of its proper divisors (1755040088).

2165793892 is a wasteful number, since it uses less digits than its factorization.

2165793892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670670 (or 18670668 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 2165793892 is about 46538.0907644480. The cubic root of 2165793892 is about 1293.8155749099.

The spelling of 2165793892 in words is "two billion, one hundred sixty-five million, seven hundred ninety-three thousand, eight hundred ninety-two".