3660448440663 has 32 divisors (see below), whose sum is σ = 6218736921600. Its totient is φ = 2084545935648.

The previous prime is 3660448440647. The next prime is 3660448440683.

3660448440663 is a `hidden beast` number, since 3 + 6 + 60 + 4 + 484 + 40 + 6 + 63 = 666.

3660448440663 is nontrivially palindromic in base 10.

3660448440663 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 3660448440663 - 2⁴ = 3660448440647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660448440643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32994883 + ... + 33105636.

It is an arithmetic number, because the mean of its divisors is an integer number (194335528800).

Almost surely, 2^{3660448440663} is an apocalyptic number.

3660448440663 is a deficient number, since it is larger than the sum of its proper divisors (2558288480937).

3660448440663 is a wasteful number, since it uses less digits than its factorization.

3660448440663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66100828 (or 66100822 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 54.

The spelling of 3660448440663 in words is "three trillion, six hundred sixty billion, four hundred forty-eight million, four hundred forty thousand, six hundred sixty-three".