2165205352 has 16 divisors (see below), whose sum is σ = 4060280160. Its totient is φ = 1082463984.

The previous prime is 2165205319. The next prime is 2165205379. The reversal of 2165205352 is 2535025612.

It is a happy number.

It is a super-2 number, since 2×2165205352² = 9376228432658887808, which contains 22 as substring.

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, 83533 + ... + 106339.

It is an arithmetic number, because the mean of its divisors is an integer number (253767510).

Almost surely, 2^2165205352 is an apocalyptic number.

It is an amenable number.

2165205352 is a deficient number, since it is larger than the sum of its proper divisors (1895074808).

2165205352 is a wasteful number, since it uses less digits than its factorization.

2165205352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34680 (or 34676 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2165205352 is about 46531.7671274152. The cubic root of 2165205352 is about 1293.6983690505.

The spelling of 2165205352 in words is "two billion, one hundred sixty-five million, two hundred five thousand, three hundred fifty-two".