216190800 has 360 divisors, whose sum is σ = 897097344. Its totient is φ = 47139840.

The previous prime is 216190789. The next prime is 216190801. The reversal of 216190800 is 8091612.

216190800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216190801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 579414 + ... + 579786.

Almost surely, 2^216190800 is an apocalyptic number.

216190800 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 216190800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448548672).

216190800 is an abundant number, since it is smaller than the sum of its proper divisors (680906544).

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

216190800 is a wasteful number, since it uses less digits than its factorization.

216190800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 216190800 is about 14703.4281716884. The cubic root of 216190800 is about 600.1766146737.

The spelling of 216190800 in words is "two hundred sixteen million, one hundred ninety thousand, eight hundred".