5663466643665 has 32 divisors (see below), whose sum is σ = 9398596490496. Its totient is φ = 2909782137600.

The previous prime is 5663466643661. The next prime is 5663466643691.

5663466643665 is nontrivially palindromic in base 10.

5663466643665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5663466643665 - 2² = 5663466643661 is a prime.

It is a super-2 number, since 2×5663466643665² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5663466643596 and 5663466643605.

It is not an unprimeable number, because it can be changed into a prime (5663466643661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50460997 + ... + 50573106.

It is an arithmetic number, because the mean of its divisors is an integer number (293706140328).

Almost surely, 2^{5663466643665} is an apocalyptic number.

It is an amenable number.

5663466643665 is a deficient number, since it is larger than the sum of its proper divisors (3735129846831).

5663466643665 is a wasteful number, since it uses less digits than its factorization.

5663466643665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101034249.

The product of its digits is 1007769600, while the sum is 66.

The spelling of 5663466643665 in words is "five trillion, six hundred sixty-three billion, four hundred sixty-six million, six hundred forty-three thousand, six hundred sixty-five".