166297 has 2 divisors, whose sum is σ = 166298. Its totient is φ = 166296.

The previous prime is 166289. The next prime is 166301. The reversal of 166297 is 792661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 47961 = 344^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 166297 - 2³ = 166289 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (166207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83148 + 83149.

It is an arithmetic number, because the mean of its divisors is an integer number (83149).

2¹⁶⁶²⁹⁷ is an apocalyptic number.

It is an amenable number.

166297 is a deficient number, since it is larger than the sum of its proper divisors (1).

166297 is an equidigital number, since it uses as much as digits as its factorization.

166297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 166297 is about 407.7952917825. The cubic root of 166297 is about 54.9914036152.

It can be divided in two parts, 16629 and 7, that multiplied together give a triangular number (116403 = T₄₈₂).

The spelling of 166297 in words is "one hundred sixty-six thousand, two hundred ninety-seven".