166207 has 2 divisors, whose sum is σ = 166208. Its totient is φ = 166206.

The previous prime is 166189. The next prime is 166219. The reversal of 166207 is 702661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166207 - 2¹⁵ = 133439 is a prime.

166207 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83103 + 83104.

It is an arithmetic number, because the mean of its divisors is an integer number (83104).

2¹⁶⁶²⁰⁷ is an apocalyptic number.

166207 is a deficient number, since it is larger than the sum of its proper divisors (1).

166207 is an equidigital number, since it uses as much as digits as its factorization.

166207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 166207 is about 407.6849273643. The cubic root of 166207 is about 54.9814813687.

Adding to 166207 its reverse (702661), we get a palindrome (868868).

It can be divided in two parts, 166 and 207, that added together give a palindrome (373).

The spelling of 166207 in words is "one hundred sixty-six thousand, two hundred seven".