170274161 has 2 divisors, whose sum is σ = 170274162. Its totient is φ = 170274160.

The previous prime is 170274131. The next prime is 170274187. The reversal of 170274161 is 161472071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142659136 + 27615025 = 11944^2 + 5255^2 .

It is an emirp because it is prime and its reverse (161472071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170274161 - 2¹⁰ = 170273137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170274101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85137080 + 85137081.

It is an arithmetic number, because the mean of its divisors is an integer number (85137081).

Almost surely, 2^170274161 is an apocalyptic number.

It is an amenable number.

170274161 is a deficient number, since it is larger than the sum of its proper divisors (1).

170274161 is an equidigital number, since it uses as much as digits as its factorization.

170274161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 170274161 is about 13048.9141693859. The cubic root of 170274161 is about 554.2634614673.

The spelling of 170274161 in words is "one hundred seventy million, two hundred seventy-four thousand, one hundred sixty-one".