216160 has 48 divisors (see below), whose sum is σ = 586656. Its totient is φ = 73728.

The previous prime is 216157. The next prime is 216173. The reversal of 216160 is 61612.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (12222).

2²¹⁶¹⁶⁰ is an apocalyptic number.

216160 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 216160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293328).

216160 is an abundant number, since it is smaller than the sum of its proper divisors (370496).

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

216160 is a wasteful number, since it uses less digits than its factorization.

216160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 216160 is about 464.9301022734. The cubic root of 216160 is about 60.0148111583.

Adding to 216160 its reverse (61612), we get a palindrome (277772).

The spelling of 216160 in words is "two hundred sixteen thousand, one hundred sixty".