116218 has 4 divisors (see below), whose sum is σ = 174330. Its totient is φ = 58108.

The previous prime is 116201. The next prime is 116239. The reversal of 116218 is 812611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 5329 = 333^2 + 73^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 116195 and 116204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29053 + ... + 29056.

2¹¹⁶²¹⁸ is an apocalyptic number.

116218 is a deficient number, since it is larger than the sum of its proper divisors (58112).

116218 is an equidigital number, since it uses as much as digits as its factorization.

116218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58111.

The product of its digits is 96, while the sum is 19.

The square root of 116218 is about 340.9076121180. The cubic root of 116218 is about 48.8005218076.

Adding to 116218 its reverse (812611), we get a palindrome (928829).

The spelling of 116218 in words is "one hundred sixteen thousand, two hundred eighteen".