11180666 has 16 divisors (see below), whose sum is σ = 19211904. Its totient is φ = 4780464.

The previous prime is 11180651. The next prime is 11180669. The reversal of 11180666 is 66608111.

It is not an unprimeable number, because it can be changed into a prime (11180669) 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, 8531 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (1200744).

Almost surely, 2^11180666 is an apocalyptic number.

11180666 is a deficient number, since it is larger than the sum of its proper divisors (8031238).

11180666 is a wasteful number, since it uses less digits than its factorization.

11180666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

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

The square root of 11180666 is about 3343.7502897196. The cubic root of 11180666 is about 223.6089718122.

Adding to 11180666 its reverse (66608111), we get a palindrome (77788777).

The spelling of 11180666 in words is "eleven million, one hundred eighty thousand, six hundred sixty-six".