11331668 has 6 divisors (see below), whose sum is σ = 19830426. Its totient is φ = 5665832.

The previous prime is 11331667. The next prime is 11331679. The reversal of 11331668 is 86613311.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 976144 = 3218^2 + 988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11331668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331667) 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 as a sum of consecutive naturals, namely, 1416455 + ... + 1416462.

It is an arithmetic number, because the mean of its divisors is an integer number (3305071).

Almost surely, 2^11331668 is an apocalyptic number.

It is an amenable number.

11331668 is a deficient number, since it is larger than the sum of its proper divisors (8498758).

11331668 is a wasteful number, since it uses less digits than its factorization.

11331668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832921 (or 2832919 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 11331668 is about 3366.2542981777. The cubic root of 11331668 is about 224.6111340742.

Adding to 11331668 its reverse (86613311), we get a palindrome (97944979).

The spelling of 11331668 in words is "eleven million, three hundred thirty-one thousand, six hundred sixty-eight".