2665398596 has 24 divisors (see below), whose sum is σ = 5338052160. Its totient is φ = 1140759072.

The previous prime is 2665398587. The next prime is 2665398653. The reversal of 2665398596 is 6958935662.

It is a happy number.

2665398596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43715 + ... + 85098.

It is an arithmetic number, because the mean of its divisors is an integer number (222418840).

Almost surely, 2^2665398596 is an apocalyptic number.

It is an amenable number.

2665398596 is an abundant number, since it is smaller than the sum of its proper divisors (2672653564).

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

2665398596 is a wasteful number, since it uses less digits than its factorization.

2665398596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129563 (or 129561 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 59.

The square root of 2665398596 is about 51627.4984480170. The cubic root of 2665398596 is about 1386.5027060772.

The spelling of 2665398596 in words is "two billion, six hundred sixty-five million, three hundred ninety-eight thousand, five hundred ninety-six".