4065686865604 has 96 divisors (see below), whose sum is σ = 8809750736640. Its totient is φ = 1598694547968.

The previous prime is 4065686865599. The next prime is 4065686865613.

4065686865604 is nontrivially palindromic in base 10.

4065686865604 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 31 ways as a sum of consecutive naturals, for example, 388720927 + ... + 388731385.

It is an arithmetic number, because the mean of its divisors is an integer number (91768236840).

Almost surely, 2^{4065686865604} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4065686865604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4404875368320).

4065686865604 is an abundant number, since it is smaller than the sum of its proper divisors (4744063871036).

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

4065686865604 is a wasteful number, since it uses less digits than its factorization.

4065686865604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16829 (or 16827 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 64.

The spelling of 4065686865604 in words is "four trillion, sixty-five billion, six hundred eighty-six million, eight hundred sixty-five thousand, six hundred four".