7866167 has 2 divisors, whose sum is σ = 7866168. Its totient is φ = 7866166.

The previous prime is 7866151. The next prime is 7866169. The reversal of 7866167 is 7616687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7866167 - 2⁴ = 7866151 is a prime.

Together with 7866169, 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 (7866169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3933083 + 3933084.

It is an arithmetic number, because the mean of its divisors is an integer number (3933084).

Almost surely, 2^7866167 is an apocalyptic number.

7866167 is a deficient number, since it is larger than the sum of its proper divisors (1).

7866167 is an equidigital number, since it uses as much as digits as its factorization.

7866167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 7866167 is about 2804.6687861493. The cubic root of 7866167 is about 198.8784473548.

The spelling of 7866167 in words is "seven million, eight hundred sixty-six thousand, one hundred sixty-seven".