170206065999997 has 2 divisors, whose sum is σ = 170206065999998. Its totient is φ = 170206065999996.

The previous prime is 170206065999979. The next prime is 170206066000007. The reversal of 170206065999997 is 799999560602071.

Together with previous prime (170206065999979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146020856720281 + 24185209279716 = 12083909^2 + 4917846^2 .

It is a cyclic number.

It is not a de Polignac number, because 170206065999997 - 2¹⁹ = 170206065475709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170206065999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85103032999998 + 85103032999999.

It is an arithmetic number, because the mean of its divisors is an integer number (85103032999999).

Almost surely, 2^{170206065999997} is an apocalyptic number.

It is an amenable number.

170206065999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

170206065999997 is an equidigital number, since it uses as much as digits as its factorization.

170206065999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1041624360, while the sum is 79.

The spelling of 170206065999997 in words is "one hundred seventy trillion, two hundred six billion, sixty-five million, nine hundred ninety-nine thousand, nine hundred ninety-seven".