216168167 has 2 divisors, whose sum is σ = 216168168. Its totient is φ = 216168166.

The previous prime is 216168143. The next prime is 216168223. The reversal of 216168167 is 761861612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216168167 - 2⁶ = 216168103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216168167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216168137) 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, 108084083 + 108084084.

It is an arithmetic number, because the mean of its divisors is an integer number (108084084).

Almost surely, 2^216168167 is an apocalyptic number.

216168167 is a deficient number, since it is larger than the sum of its proper divisors (1).

216168167 is an equidigital number, since it uses as much as digits as its factorization.

216168167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 216168167 is about 14702.6585011011. The cubic root of 216168167 is about 600.1556697932.

The spelling of 216168167 in words is "two hundred sixteen million, one hundred sixty-eight thousand, one hundred sixty-seven".