11668449 has 8 divisors (see below), whose sum is σ = 16754752. Its totient is φ = 7180560.

The previous prime is 11668441. The next prime is 11668487. The reversal of 11668449 is 94486611.

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

It is not a de Polignac number, because 11668449 - 2³ = 11668441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 299191 = 11668449 / (1 + 1 + 6 + 6 + 8 + 4 + 4 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11668441) 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 7 ways as a sum of consecutive naturals, for example, 149557 + ... + 149634.

It is an arithmetic number, because the mean of its divisors is an integer number (2094344).

Almost surely, 2^11668449 is an apocalyptic number.

It is an amenable number.

11668449 is a deficient number, since it is larger than the sum of its proper divisors (5086303).

11668449 is a wasteful number, since it uses less digits than its factorization.

11668449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299207.

The product of its digits is 41472, while the sum is 39.

The square root of 11668449 is about 3415.9111522404. The cubic root of 11668449 is about 226.8146196200.

The spelling of 11668449 in words is "eleven million, six hundred sixty-eight thousand, four hundred forty-nine".