2166167 has 2 divisors, whose sum is σ = 2166168. Its totient is φ = 2166166.

The previous prime is 2166161. The next prime is 2166179. The reversal of 2166167 is 7616612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2166167 - 2¹⁰ = 2165143 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2166161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083083 + 1083084.

It is an arithmetic number, because the mean of its divisors is an integer number (1083084).

2^2166167 is an apocalyptic number.

2166167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166167 is an equidigital number, since it uses as much as digits as its factorization.

2166167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 2166167 is about 1471.7904062739. The cubic root of 2166167 is about 129.3889867178.

The spelling of 2166167 in words is "two million, one hundred sixty-six thousand, one hundred sixty-seven".