216364333 has 2 divisors, whose sum is σ = 216364334. Its totient is φ = 216364332.

The previous prime is 216364327. The next prime is 216364349. The reversal of 216364333 is 333463612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212372329 + 3992004 = 14573^2 + 1998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216364333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216364295 and 216364304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216364363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108182166 + 108182167.

It is an arithmetic number, because the mean of its divisors is an integer number (108182167).

Almost surely, 2^216364333 is an apocalyptic number.

It is an amenable number.

216364333 is a deficient number, since it is larger than the sum of its proper divisors (1).

216364333 is an equidigital number, since it uses as much as digits as its factorization.

216364333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 31.

The square root of 216364333 is about 14709.3280947839. The cubic root of 216364333 is about 600.3371558781.

The spelling of 216364333 in words is "two hundred sixteen million, three hundred sixty-four thousand, three hundred thirty-three".