216302066264 has 8 divisors (see below), whose sum is σ = 405566374260. Its totient is φ = 108151033128.

The previous prime is 216302066261. The next prime is 216302066291. The reversal of 216302066264 is 462660203612.

216302066264 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216302066261) 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 as a sum of consecutive naturals, namely, 13518879134 + ... + 13518879149.

Almost surely, 2^216302066264 is an apocalyptic number.

It is an amenable number.

216302066264 is a deficient number, since it is larger than the sum of its proper divisors (189264307996).

216302066264 is a wasteful number, since it uses less digits than its factorization.

216302066264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037758289 (or 27037758285 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 216302066264 its reverse (462660203612), we get a palindrome (678962269876).

The spelling of 216302066264 in words is "two hundred sixteen billion, three hundred two million, sixty-six thousand, two hundred sixty-four".