6651167 has 2 divisors, whose sum is σ = 6651168. Its totient is φ = 6651166.

The previous prime is 6651149. The next prime is 6651173. The reversal of 6651167 is 7611566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6651167 - 2⁸ = 6650911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6651107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325583 + 3325584.

It is an arithmetic number, because the mean of its divisors is an integer number (3325584).

Almost surely, 2^6651167 is an apocalyptic number.

6651167 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651167 is an equidigital number, since it uses as much as digits as its factorization.

6651167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 6651167 is about 2578.9856533141. The cubic root of 6651167 is about 188.0612351452.

The spelling of 6651167 in words is "six million, six hundred fifty-one thousand, one hundred sixty-seven".