216483034831866 has 48 divisors (see below), whose sum is σ = 528783170496000. Its totient is φ = 65600919644040.

The previous prime is 216483034831837. The next prime is 216483034831919. The reversal of 216483034831866 is 668138430384612.

It is a happy number.

216483034831866 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 8 + 303 + 4 + 8 + 318 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16565882266 + ... + 16565895333.

It is an arithmetic number, because the mean of its divisors is an integer number (11016316052000).

Almost surely, 2^{216483034831866} is an apocalyptic number.

216483034831866 is an abundant number, since it is smaller than the sum of its proper divisors (312300135664134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216483034831866 is a wasteful number, since it uses less digits than its factorization.

216483034831866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33131777632 (or 33131777615 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 63.

The spelling of 216483034831866 in words is "two hundred sixteen trillion, four hundred eighty-three billion, thirty-four million, eight hundred thirty-one thousand, eight hundred sixty-six".