11668441 has 2 divisors, whose sum is σ = 11668442. Its totient is φ = 11668440.

The previous prime is 11668403. The next prime is 11668487. The reversal of 11668441 is 14486611.

11668441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 81225 = 3404^2 + 285^2 .

It is an emirp because it is prime and its reverse (14486611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11668441 - 2¹¹ = 11666393 is a prime.

It is not a weakly prime, because it can be changed into another prime (11668541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834220 + 5834221.

It is an arithmetic number, because the mean of its divisors is an integer number (5834221).

Almost surely, 2^11668441 is an apocalyptic number.

It is an amenable number.

11668441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668441 is an equidigital number, since it uses as much as digits as its factorization.

11668441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 11668441 is about 3415.9099812495. The cubic root of 11668441 is about 226.8145677846.

The spelling of 11668441 in words is "eleven million, six hundred sixty-eight thousand, four hundred forty-one".