2165030264 has 32 divisors (see below), whose sum is σ = 4258591200. Its totient is φ = 1030458240.

The previous prime is 2165030261. The next prime is 2165030281. The reversal of 2165030264 is 4620305612.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165030261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49247 + ... + 82190.

It is an arithmetic number, because the mean of its divisors is an integer number (133080975).

Almost surely, 2^2165030264 is an apocalyptic number.

It is an amenable number.

2165030264 is a deficient number, since it is larger than the sum of its proper divisors (2093560936).

2165030264 is a wasteful number, since it uses less digits than its factorization.

2165030264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131543 (or 131539 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2165030264 is about 46529.8857080049. The cubic root of 2165030264 is about 1293.6634967360.

Adding to 2165030264 its reverse (4620305612), we get a palindrome (6785335876).

The spelling of 2165030264 in words is "two billion, one hundred sixty-five million, thirty thousand, two hundred sixty-four".