170164261 has 2 divisors, whose sum is σ = 170164262. Its totient is φ = 170164260.

The previous prime is 170164249. The next prime is 170164273. The reversal of 170164261 is 162461071.

It is a balanced prime because it is at equal distance from previous prime (170164249) and next prime (170164273).

It can be written as a sum of positive squares in only one way, i.e., 167702500 + 2461761 = 12950^2 + 1569^2 .

It is an emirp because it is prime and its reverse (162461071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170164261 - 2⁵ = 170164229 is a prime.

It is a super-2 number, since 2×170164261² = 57911751443352242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170164231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85082130 + 85082131.

It is an arithmetic number, because the mean of its divisors is an integer number (85082131).

Almost surely, 2^170164261 is an apocalyptic number.

It is an amenable number.

170164261 is a deficient number, since it is larger than the sum of its proper divisors (1).

170164261 is an equidigital number, since it uses as much as digits as its factorization.

170164261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 170164261 is about 13044.7024113239. The cubic root of 170164261 is about 554.1441897706.

The spelling of 170164261 in words is "one hundred seventy million, one hundred sixty-four thousand, two hundred sixty-one".