216118350 has 288 divisors, whose sum is σ = 733524480. Its totient is φ = 44478720.

The previous prime is 216118321. The next prime is 216118351. The reversal of 216118350 is 53811612.

216118350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216118351) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1376472 + ... + 1376628.

It is an arithmetic number, because the mean of its divisors is an integer number (2546960).

Almost surely, 2^216118350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216118350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366762240).

216118350 is an abundant number, since it is smaller than the sum of its proper divisors (517406130).

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

216118350 is a wasteful number, since it uses less digits than its factorization.

216118350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 216118350 is about 14700.9642540889. The cubic root of 216118350 is about 600.1095633252.

Adding to 216118350 its reverse (53811612), we get a palindrome (269929962).

The spelling of 216118350 in words is "two hundred sixteen million, one hundred eighteen thousand, three hundred fifty".