2166467 has 2 divisors, whose sum is σ = 2166468. Its totient is φ = 2166466.

The previous prime is 2166457. The next prime is 2166509. The reversal of 2166467 is 7646612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2166467 - 2⁶ = 2166403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2166407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083233 + 1083234.

It is an arithmetic number, because the mean of its divisors is an integer number (1083234).

2^2166467 is an apocalyptic number.

2166467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166467 is an equidigital number, since it uses as much as digits as its factorization.

2166467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 2166467 is about 1471.8923194310. The cubic root of 2166467 is about 129.3949596190.

The spelling of 2166467 in words is "two million, one hundred sixty-six thousand, four hundred sixty-seven".