2017168519997 has 2 divisors, whose sum is σ = 2017168519998. Its totient is φ = 2017168519996.

The previous prime is 2017168519897. The next prime is 2017168520063. The reversal of 2017168519997 is 7999158617102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1920236547076 + 96931972921 = 1385726^2 + 311339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2017168519997 - 2¹⁴ = 2017168503613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017168519897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008584259998 + 1008584259999.

It is an arithmetic number, because the mean of its divisors is an integer number (1008584259999).

Almost surely, 2^{2017168519997} is an apocalyptic number.

It is an amenable number.

2017168519997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017168519997 is an equidigital number, since it uses as much as digits as its factorization.

2017168519997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 65.

The spelling of 2017168519997 in words is "two trillion, seventeen billion, one hundred sixty-eight million, five hundred nineteen thousand, nine hundred ninety-seven".