216192 has 32 divisors (see below), whose sum is σ = 575280. Its totient is φ = 71936.

The previous prime is 216179. The next prime is 216211. The reversal of 216192 is 291612.

216192 is digitally balanced in base 3, 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 (32).

It is an Ulam number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103 + ... + 665.

2²¹⁶¹⁹² 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 216192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287640).

216192 is an abundant number, since it is smaller than the sum of its proper divisors (359088).

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

216192 is an equidigital number, since it uses as much as digits as its factorization.

216192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 568 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 216192 is about 464.9645147751. The cubic root of 216192 is about 60.0177725129.

The spelling of 216192 in words is "two hundred sixteen thousand, one hundred ninety-two".