216211182 has 64 divisors (see below), whose sum is σ = 494242560. Its totient is φ = 62451200.

The previous prime is 216211169. The next prime is 216211183. The reversal of 216211182 is 281112612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216211183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158182 + ... + 159542.

It is an arithmetic number, because the mean of its divisors is an integer number (7722540).

Almost surely, 2^216211182 is an apocalyptic number.

216211182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 216211182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247121280).

216211182 is an abundant number, since it is smaller than the sum of its proper divisors (278031378).

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

216211182 is a wasteful number, since it uses less digits than its factorization.

216211182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 384, while the sum is 24.

The square root of 216211182 is about 14704.1212590212. The cubic root of 216211182 is about 600.1954751977.

Adding to 216211182 its reverse (281112612), we get a palindrome (497323794).

The spelling of 216211182 in words is "two hundred sixteen million, two hundred eleven thousand, one hundred eighty-two".