2164205262 has 16 divisors (see below), whose sum is σ = 4347314640. Its totient is φ = 718251072.

The previous prime is 2164205227. The next prime is 2164205269. The reversal of 2164205262 is 2625024612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164205269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786183 + ... + 788930.

It is an arithmetic number, because the mean of its divisors is an integer number (271707165).

Almost surely, 2^2164205262 is an apocalyptic number.

2164205262 is an abundant number, since it is smaller than the sum of its proper divisors (2183109378).

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

2164205262 is a wasteful number, since it uses less digits than its factorization.

2164205262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575347.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2164205262 is about 46521.0195718022. The cubic root of 2164205262 is about 1293.4991556052.

Adding to 2164205262 its reverse (2625024612), we get a palindrome (4789229874).

The spelling of 2164205262 in words is "two billion, one hundred sixty-four million, two hundred five thousand, two hundred sixty-two".