2165370204 has 12 divisors (see below), whose sum is σ = 5052530504. Its totient is φ = 721790064.

The previous prime is 2165370199. The next prime is 2165370211. The reversal of 2165370204 is 4020735612.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90223747 + ... + 90223770.

Almost surely, 2^2165370204 is an apocalyptic number.

It is an amenable number.

2165370204 is an abundant number, since it is smaller than the sum of its proper divisors (2887160300).

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

2165370204 is a wasteful number, since it uses less digits than its factorization.

2165370204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180447524 (or 180447522 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2165370204 is about 46533.5384856987. The cubic root of 2165370204 is about 1293.7312009404.

The spelling of 2165370204 in words is "two billion, one hundred sixty-five million, three hundred seventy thousand, two hundred four".