5665548455663 has 2 divisors, whose sum is σ = 5665548455664. Its totient is φ = 5665548455662.

The previous prime is 5665548455659. The next prime is 5665548455729. The reversal of 5665548455663 is 3665548455665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665548455663 - 2² = 5665548455659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5665548455593 and 5665548455602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665548455653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832774227831 + 2832774227832.

It is an arithmetic number, because the mean of its divisors is an integer number (2832774227832).

Almost surely, 2^{5665548455663} is an apocalyptic number.

5665548455663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665548455663 is an equidigital number, since it uses as much as digits as its factorization.

5665548455663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200000, while the sum is 68.

The spelling of 5665548455663 in words is "five trillion, six hundred sixty-five billion, five hundred forty-eight million, four hundred fifty-five thousand, six hundred sixty-three".