2652666665 has 24 divisors (see below), whose sum is σ = 3683057280. Its totient is φ = 1827666720.

The previous prime is 2652666647. The next prime is 2652666697. The reversal of 2652666665 is 5666662562.

It is not a de Polignac number, because 2652666665 - 2²⁶ = 2585557801 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 103889 + ... + 126878.

It is an arithmetic number, because the mean of its divisors is an integer number (153460720).

Almost surely, 2^2652666665 is an apocalyptic number.

It is an amenable number.

2652666665 is a deficient number, since it is larger than the sum of its proper divisors (1030390615).

2652666665 is a wasteful number, since it uses less digits than its factorization.

2652666665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230813 (or 230802 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The square root of 2652666665 is about 51504.0451323971. The cubic root of 2652666665 is about 1384.2915246832.

The spelling of 2652666665 in words is "two billion, six hundred fifty-two million, six hundred sixty-six thousand, six hundred sixty-five".