6617663270063 has 2 divisors, whose sum is σ = 6617663270064. Its totient is φ = 6617663270062.

The previous prime is 6617663270059. The next prime is 6617663270081. The reversal of 6617663270063 is 3600723667166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6617663270063 - 2² = 6617663270059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6617663269987 and 6617663270014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6617660270063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308831635031 + 3308831635032.

It is an arithmetic number, because the mean of its divisors is an integer number (3308831635032).

Almost surely, 2^{6617663270063} is an apocalyptic number.

6617663270063 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617663270063 is an equidigital number, since it uses as much as digits as its factorization.

6617663270063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 53.

The spelling of 6617663270063 in words is "six trillion, six hundred seventeen billion, six hundred sixty-three million, two hundred seventy thousand, sixty-three".