216311167 has 2 divisors, whose sum is σ = 216311168. Its totient is φ = 216311166.

The previous prime is 216311153. The next prime is 216311171. The reversal of 216311167 is 761113612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216311167 - 2¹⁵ = 216278399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216311107) 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, 108155583 + 108155584.

It is an arithmetic number, because the mean of its divisors is an integer number (108155584).

Almost surely, 2^216311167 is an apocalyptic number.

216311167 is a deficient number, since it is larger than the sum of its proper divisors (1).

216311167 is an equidigital number, since it uses as much as digits as its factorization.

216311167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 216311167 is about 14707.5207632014. The cubic root of 216311167 is about 600.2879793503.

Adding to 216311167 its reverse (761113612), we get a palindrome (977424779).

The spelling of 216311167 in words is "two hundred sixteen million, three hundred eleven thousand, one hundred sixty-seven".