2166119 has 2 divisors, whose sum is σ = 2166120. Its totient is φ = 2166118.

The previous prime is 2166113. The next prime is 2166121. The reversal of 2166119 is 9116612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2166119 is a prime.

It is a super-2 number, since 2×2166119² = 9384143044322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2166121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2166113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083059 + 1083060.

It is an arithmetic number, because the mean of its divisors is an integer number (1083060).

2^2166119 is an apocalyptic number.

2166119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166119 is an equidigital number, since it uses as much as digits as its factorization.

2166119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 2166119 is about 1471.7740995139. The cubic root of 2166119 is about 129.3880310025.

The spelling of 2166119 in words is "two million, one hundred sixty-six thousand, one hundred nineteen".