216889813210 has 16 divisors (see below), whose sum is σ = 446173330176. Its totient is φ = 74362221648.

The previous prime is 216889813169. The next prime is 216889813247. The reversal of 216889813210 is 12318988612.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549212882 + ... + 1549213021.

It is an arithmetic number, because the mean of its divisors is an integer number (27885833136).

Almost surely, 2^216889813210 is an apocalyptic number.

216889813210 is an abundant number, since it is smaller than the sum of its proper divisors (229283516966).

216889813210 is a wasteful number, since it uses less digits than its factorization.

216889813210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098425917.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 216889813210 in words is "two hundred sixteen billion, eight hundred eighty-nine million, eight hundred thirteen thousand, two hundred ten".