216623002200 has 768 divisors, whose sum is σ = 786806784000. Its totient is φ = 48787200000.

The previous prime is 216623002171. The next prime is 216623002259. The reversal of 216623002200 is 2200326612.

216623002200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1088557701 + ... + 1088557899.

It is an arithmetic number, because the mean of its divisors is an integer number (1024488000).

Almost surely, 2^216623002200 is an apocalyptic number.

216623002200 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 216623002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393403392000).

216623002200 is an abundant number, since it is smaller than the sum of its proper divisors (570183781800).

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

216623002200 is a wasteful number, since it uses less digits than its factorization.

216623002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 216623002200 its reverse (2200326612), we get a palindrome (218823328812).

The spelling of 216623002200 in words is "two hundred sixteen billion, six hundred twenty-three million, two thousand, two hundred".