11663167 has 2 divisors, whose sum is σ = 11663168. Its totient is φ = 11663166.

The previous prime is 11663143. The next prime is 11663189. The reversal of 11663167 is 76136611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11663167 - 2⁷ = 11663039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11663117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831583 + 5831584.

It is an arithmetic number, because the mean of its divisors is an integer number (5831584).

Almost surely, 2^11663167 is an apocalyptic number.

11663167 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663167 is an equidigital number, since it uses as much as digits as its factorization.

11663167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 11663167 is about 3415.1379181521. The cubic root of 11663167 is about 226.7803901168.

Adding to 11663167 its reverse (76136611), we get a palindrome (87799778).

The spelling of 11663167 in words is "eleven million, six hundred sixty-three thousand, one hundred sixty-seven".