11216658 has 8 divisors (see below), whose sum is σ = 22433328. Its totient is φ = 3738884.

The previous prime is 11216641. The next prime is 11216659. The reversal of 11216658 is 85661211.

It is a sphenic number, since it is the product of 3 distinct primes.

11216658 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11216659) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 934716 + ... + 934727.

It is an arithmetic number, because the mean of its divisors is an integer number (2804166).

Almost surely, 2^11216658 is an apocalyptic number.

11216658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11216658 is a wasteful number, since it uses less digits than its factorization.

11216658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869448.

The product of its digits is 2880, while the sum is 30.

The square root of 11216658 is about 3349.1279461973. The cubic root of 11216658 is about 223.8486568045.

Adding to 11216658 its reverse (85661211), we get a palindrome (96877869).

The spelling of 11216658 in words is "eleven million, two hundred sixteen thousand, six hundred fifty-eight".