2220343645665 has 96 divisors (see below), whose sum is σ = 3887274867840. Its totient is φ = 1081318809600.

The previous prime is 2220343645627. The next prime is 2220343645687. The reversal of 2220343645665 is 5665463430222.

2220343645665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220343645665 - 2²⁰ = 2220342597089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32135526 + ... + 32204544.

It is an arithmetic number, because the mean of its divisors is an integer number (40492446540).

Almost surely, 2^{2220343645665} is an apocalyptic number.

It is an amenable number.

2220343645665 is a deficient number, since it is larger than the sum of its proper divisors (1666931222175).

2220343645665 is a wasteful number, since it uses less digits than its factorization.

2220343645665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69283 (or 69266 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 2220343645665 in words is "two trillion, two hundred twenty billion, three hundred forty-three million, six hundred forty-five thousand, six hundred sixty-five".