216063661333 has 4 divisors (see below), whose sum is σ = 232683942988. Its totient is φ = 199443379680.

The previous prime is 216063661309. The next prime is 216063661351. The reversal of 216063661333 is 333166360612.

216063661333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117516639249 + 98547022084 = 342807^2 + 313922^2 .

It is a cyclic number.

It is not a de Polignac number, because 216063661333 - 2⁵ = 216063661301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216063661733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8310140808 + ... + 8310140833.

It is an arithmetic number, because the mean of its divisors is an integer number (58170985747).

Almost surely, 2^216063661333 is an apocalyptic number.

It is an amenable number.

216063661333 is a deficient number, since it is larger than the sum of its proper divisors (16620281655).

216063661333 is a wasteful number, since it uses less digits than its factorization.

216063661333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16620281654.

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 216063661333 in words is "two hundred sixteen billion, sixty-three million, six hundred sixty-one thousand, three hundred thirty-three".