6564167 has 2 divisors, whose sum is σ = 6564168. Its totient is φ = 6564166.

The previous prime is 6564143. The next prime is 6564169. The reversal of 6564167 is 7614656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6564167 - 2²² = 2369863 is a prime.

Together with 6564169, 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 (6564169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282083 + 3282084.

It is an arithmetic number, because the mean of its divisors is an integer number (3282084).

Almost surely, 2^6564167 is an apocalyptic number.

6564167 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564167 is an equidigital number, since it uses as much as digits as its factorization.

6564167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 6564167 is about 2562.0630359146. The cubic root of 6564167 is about 187.2376609736.

The spelling of 6564167 in words is "six million, five hundred sixty-four thousand, one hundred sixty-seven".