216000000 has 280 divisors, whose sum is σ = 799208520. Its totient is φ = 57600000.

The previous prime is 215999989. The next prime is 216000007. The reversal of 216000000 is 612.

The cubic root of 216000000 is 600.

It is a perfect power (a cube), and thus also a powerful number.

216000000 is digitally balanced in base 2, 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 (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 43199998 + ... + 43200002.

Almost surely, 2^216000000 is an apocalyptic number.

216000000 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 216000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399604260).

216000000 is an abundant number, since it is smaller than the sum of its proper divisors (583208520).

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

216000000 is an frugal number, since it uses more digits than its factorization.

216000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 216000000 is about 14696.9384566991.

Adding to 216000000 its reverse (612), we get a palindrome (216000612).

The spelling of 216000000 in words is "two hundred sixteen million", and thus it is an aban number.