11816418 has 8 divisors (see below), whose sum is σ = 23632848. Its totient is φ = 3938804.

The previous prime is 11816417. The next prime is 11816447. The reversal of 11816418 is 81461811.

11816418 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

11816418 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11816417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984696 + ... + 984707.

It is an arithmetic number, because the mean of its divisors is an integer number (2954106).

Almost surely, 2^11816418 is an apocalyptic number.

11816418 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.

11816418 is a wasteful number, since it uses less digits than its factorization.

11816418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969408.

The product of its digits is 1536, while the sum is 30.

The square root of 11816418 is about 3437.5017090905. The cubic root of 11816418 is about 227.7693496959.

The spelling of 11816418 in words is "eleven million, eight hundred sixteen thousand, four hundred eighteen".