11816668 has 24 divisors (see below), whose sum is σ = 21273840. Its totient is φ = 5740800.

The previous prime is 11816657. The next prime is 11816669. The reversal of 11816668 is 86661811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29268 + ... + 29668.

It is an arithmetic number, because the mean of its divisors is an integer number (886410).

Almost surely, 2^11816668 is an apocalyptic number.

It is an amenable number.

11816668 is a deficient number, since it is larger than the sum of its proper divisors (9457172).

11816668 is a wasteful number, since it uses less digits than its factorization.

11816668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 11816668 is about 3437.5380725164. The cubic root of 11816668 is about 227.7709559902.

The spelling of 11816668 in words is "eleven million, eight hundred sixteen thousand, six hundred sixty-eight".