Adding to 216000064 its reverse (460000612), we get a palindrome (676000676).
It is a tau number, because it is divible by the number of its divisors (112).
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 216000064 = 43 + 6003 = 2923 + 5763.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2216000064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 216000064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256974848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216000064 is a wasteful number, since it uses less digits than its factorization.
216000064 is an odious number, because the sum of its binary digits is odd.
The square root of 216000064 is about 14696.9406340231. The cubic root of 216000064 is about 600.0000592593. Note that the first 4 decimals are identical.
The spelling of 216000064 in words is "two hundred sixteen million, sixty-four", and thus it is an aban number.