216710200 has 96 divisors (see below), whose sum is σ = 606211200. Its totient is φ = 70381440.

The previous prime is 216710191. The next prime is 216710213. The reversal of 216710200 is 2017612.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 22527 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (6314700).

Almost surely, 2^216710200 is an apocalyptic number.

216710200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216710200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303105600).

216710200 is an abundant number, since it is smaller than the sum of its proper divisors (389501000).

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

216710200 is a wasteful number, since it uses less digits than its factorization.

216710200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189 (or 8180 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 216710200 is about 14721.0801234149. The cubic root of 216710200 is about 600.6568731928.

Adding to 216710200 its reverse (2017612), we get a palindrome (218727812).

The spelling of 216710200 in words is "two hundred sixteen million, seven hundred ten thousand, two hundred".