67216159 has 2 divisors, whose sum is σ = 67216160. Its totient is φ = 67216158.

The previous prime is 67216141. The next prime is 67216199. The reversal of 67216159 is 95161276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67216159 - 2⁹ = 67215647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67216199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33608079 + 33608080.

It is an arithmetic number, because the mean of its divisors is an integer number (33608080).

Almost surely, 2^67216159 is an apocalyptic number.

67216159 is a deficient number, since it is larger than the sum of its proper divisors (1).

67216159 is an equidigital number, since it uses as much as digits as its factorization.

67216159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 67216159 is about 8198.5461516052. The cubic root of 67216159 is about 406.5911273142.

It can be divided in two parts, 672161 and 59, that added together give a triangular number (672220 = T₁₁₅₉).

The spelling of 67216159 in words is "sixty-seven million, two hundred sixteen thousand, one hundred fifty-nine".