216368082766 has 16 divisors (see below), whose sum is σ = 354097111680. Its totient is φ = 98337948280.

The previous prime is 216368082761. The next prime is 216368082779. The reversal of 216368082766 is 667280863612.

216368082766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216368082761) 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 7 ways as a sum of consecutive naturals, for example, 359506 + ... + 749653.

It is an arithmetic number, because the mean of its divisors is an integer number (22131069480).

Almost surely, 2^216368082766 is an apocalyptic number.

216368082766 is a deficient number, since it is larger than the sum of its proper divisors (137729028914).

216368082766 is a wasteful number, since it uses less digits than its factorization.

216368082766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118039.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 216368082766 in words is "two hundred sixteen billion, three hundred sixty-eight million, eighty-two thousand, seven hundred sixty-six".