216035316 has 72 divisors (see below), whose sum is σ = 651551040. Its totient is φ = 61722864.

The previous prime is 216035243. The next prime is 216035317. The reversal of 216035316 is 613530612.

216035316 is a `hidden beast` number, since 2 + 1 + 603 + 53 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 216035316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216035317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15120 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^216035316 is an apocalyptic number.

It is an amenable number.

216035316 is an abundant number, since it is smaller than the sum of its proper divisors (435515724).

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

216035316 is a wasteful number, since it uses less digits than its factorization.

216035316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40850 (or 40835 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 216035316 is about 14698.1398823116. The cubic root of 216035316 is about 600.0326982180.

Adding to 216035316 its reverse (613530612), we get a palindrome (829565928).

The spelling of 216035316 in words is "two hundred sixteen million, thirty-five thousand, three hundred sixteen".