6623165600017 has 2 divisors, whose sum is σ = 6623165600018. Its totient is φ = 6623165600016.

The previous prime is 6623165599993. The next prime is 6623165600027. The reversal of 6623165600017 is 7100065613266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5913062759041 + 710102840976 = 2431679^2 + 842676^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623165600017 - 2¹⁹ = 6623165075729 is a prime.

It is not a weakly prime, because it can be changed into another prime (6623165600027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311582800008 + 3311582800009.

It is an arithmetic number, because the mean of its divisors is an integer number (3311582800009).

Almost surely, 2^{6623165600017} is an apocalyptic number.

It is an amenable number.

6623165600017 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623165600017 is an equidigital number, since it uses as much as digits as its factorization.

6623165600017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 6623165600017 in words is "six trillion, six hundred twenty-three billion, one hundred sixty-five million, six hundred thousand, seventeen".