170017018117 has 2 divisors, whose sum is σ = 170017018118. Its totient is φ = 170017018116.

The previous prime is 170017018081. The next prime is 170017018169. The reversal of 170017018117 is 711810710071.

170017018117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161733469921 + 8283548196 = 402161^2 + 91014^2 .

It is a cyclic number.

It is not a de Polignac number, because 170017018117 - 2¹¹ = 170017016069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170017018217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85008509058 + 85008509059.

It is an arithmetic number, because the mean of its divisors is an integer number (85008509059).

Almost surely, 2^170017018117 is an apocalyptic number.

It is an amenable number.

170017018117 is a deficient number, since it is larger than the sum of its proper divisors (1).

170017018117 is an equidigital number, since it uses as much as digits as its factorization.

170017018117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 34.

Adding to 170017018117 its reverse (711810710071), we get a palindrome (881827728188).

The spelling of 170017018117 in words is "one hundred seventy billion, seventeen million, eighteen thousand, one hundred seventeen".