115632216 has 96 divisors (see below), whose sum is σ = 359542560. Its totient is φ = 32887296.

The previous prime is 115632199. The next prime is 115632287. The reversal of 115632216 is 612236511.

115632216 is a `hidden beast` number, since 1 + 1 + 5 + 632 + 21 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 115632216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157386 + ... + 158118.

It is an arithmetic number, because the mean of its divisors is an integer number (3745235).

Almost surely, 2^115632216 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 115632216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179771280).

115632216 is an abundant number, since it is smaller than the sum of its proper divisors (243910344).

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

115632216 is a wasteful number, since it uses less digits than its factorization.

115632216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1058 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 115632216 is about 10753.2421157528. The cubic root of 115632216 is about 487.1839245021.

Adding to 115632216 its reverse (612236511), we get a palindrome (727868727).

The spelling of 115632216 in words is "one hundred fifteen million, six hundred thirty-two thousand, two hundred sixteen".