11081666 has 8 divisors (see below), whose sum is σ = 16870800. Its totient is φ = 5458068.

The previous prime is 11081647. The next prime is 11081689. The reversal of 11081666 is 66618011.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41216 + ... + 41483.

It is an arithmetic number, because the mean of its divisors is an integer number (2108850).

Almost surely, 2^11081666 is an apocalyptic number.

11081666 is a deficient number, since it is larger than the sum of its proper divisors (5789134).

11081666 is an equidigital number, since it uses as much as digits as its factorization.

11081666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82768.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11081666 is about 3328.9136366088. The cubic root of 11081666 is about 222.9470270388.

Adding to 11081666 its reverse (66618011), we get a palindrome (77699677).

The spelling of 11081666 in words is "eleven million, eighty-one thousand, six hundred sixty-six".