6664345365 has 16 divisors (see below), whose sum is σ = 10782763200. Its totient is φ = 3514380672.

The previous prime is 6664345351. The next prime is 6664345393. The reversal of 6664345365 is 5635434666.

It is not a de Polignac number, because 6664345365 - 2⁵ = 6664345333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2494675 + ... + 2497344.

It is an arithmetic number, because the mean of its divisors is an integer number (673922700).

Almost surely, 2^6664345365 is an apocalyptic number.

It is an amenable number.

6664345365 is a deficient number, since it is larger than the sum of its proper divisors (4118417835).

6664345365 is a wasteful number, since it uses less digits than its factorization.

6664345365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992116.

The product of its digits is 4665600, while the sum is 48.

The square root of 6664345365 is about 81635.4418436012. The cubic root of 6664345365 is about 1881.8535895533.

The spelling of 6664345365 in words is "six billion, six hundred sixty-four million, three hundred forty-five thousand, three hundred sixty-five".