2165099368 has 16 divisors (see below), whose sum is σ = 4145935680. Its totient is φ = 1059516528.

The previous prime is 2165099357. The next prime is 2165099399. The reversal of 2165099368 is 8639905612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878746 + ... + 2879497.

It is an arithmetic number, because the mean of its divisors is an integer number (259120980).

Almost surely, 2^2165099368 is an apocalyptic number.

It is an amenable number.

2165099368 is a deficient number, since it is larger than the sum of its proper divisors (1980836312).

2165099368 is a wasteful number, since it uses less digits than its factorization.

2165099368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758296 (or 5758292 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 2165099368 is about 46530.6282785866. The cubic root of 2165099368 is about 1293.6772604191.

The spelling of 2165099368 in words is "two billion, one hundred sixty-five million, ninety-nine thousand, three hundred sixty-eight".