2265660688 has 10 divisors (see below), whose sum is σ = 4389717614. Its totient is φ = 1132830336.

The previous prime is 2265660673. The next prime is 2265660707. The reversal of 2265660688 is 8860665622.

It can be written as a sum of positive squares in only one way, i.e., 2178275584 + 87385104 = 46672^2 + 9348^2 .

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 as a sum of consecutive naturals, namely, 70801881 + ... + 70801912.

Almost surely, 2^2265660688 is an apocalyptic number.

It is an amenable number.

2265660688 is a deficient number, since it is larger than the sum of its proper divisors (2124056926).

2265660688 is a wasteful number, since it uses less digits than its factorization.

2265660688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141603801 (or 141603795 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 2265660688 is about 47598.9567952912. The cubic root of 2265660688 is about 1313.4038642725.

The spelling of 2265660688 in words is "two billion, two hundred sixty-five million, six hundred sixty thousand, six hundred eighty-eight".