2017168520063 has 2 divisors, whose sum is σ = 2017168520064. Its totient is φ = 2017168520062.

The previous prime is 2017168519997. The next prime is 2017168520093. The reversal of 2017168520063 is 3600258617102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2017168520063 - 2¹⁰ = 2017168519039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2017168520063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017168520093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008584260031 + 1008584260032.

It is an arithmetic number, because the mean of its divisors is an integer number (1008584260032).

Almost surely, 2^{2017168520063} is an apocalyptic number.

2017168520063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017168520063 is an equidigital number, since it uses as much as digits as its factorization.

2017168520063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 2017168520063 in words is "two trillion, seventeen billion, one hundred sixty-eight million, five hundred twenty thousand, sixty-three".