170608169 has 2 divisors, whose sum is σ = 170608170. Its totient is φ = 170608168.

The previous prime is 170608153. The next prime is 170608171. The reversal of 170608169 is 961806071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149328400 + 21279769 = 12220^2 + 4613^2 .

It is a cyclic number.

It is not a de Polignac number, because 170608169 - 2⁴ = 170608153 is a prime.

It is a super-2 number, since 2×170608169² = 58214294659065122, which contains 22 as substring.

Together with 170608171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170608199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85304084 + 85304085.

It is an arithmetic number, because the mean of its divisors is an integer number (85304085).

Almost surely, 2^170608169 is an apocalyptic number.

It is an amenable number.

170608169 is a deficient number, since it is larger than the sum of its proper divisors (1).

170608169 is an equidigital number, since it uses as much as digits as its factorization.

170608169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 170608169 is about 13061.7062055460. The cubic root of 170608169 is about 554.6256372122.

The spelling of 170608169 in words is "one hundred seventy million, six hundred eight thousand, one hundred sixty-nine".