2162668764 has 12 divisors (see below), whose sum is σ = 5046227144. Its totient is φ = 720889584.

The previous prime is 2162668757. The next prime is 2162668769. The reversal of 2162668764 is 4678662612.

2162668764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162668769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90111187 + ... + 90111210.

Almost surely, 2^2162668764 is an apocalyptic number.

It is an amenable number.

2162668764 is an abundant number, since it is smaller than the sum of its proper divisors (2883558380).

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

2162668764 is a wasteful number, since it uses less digits than its factorization.

2162668764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180222404 (or 180222402 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 2162668764 is about 46504.5026207141. The cubic root of 2162668764 is about 1293.1929724804.

The spelling of 2162668764 in words is "two billion, one hundred sixty-two million, six hundred sixty-eight thousand, seven hundred sixty-four".