11550666 has 32 divisors (see below), whose sum is σ = 23892480. Its totient is φ = 3720816.

The previous prime is 11550659. The next prime is 11550677. The reversal of 11550666 is 66605511.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23475 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (746640).

Almost surely, 2^11550666 is an apocalyptic number.

11550666 is an abundant number, since it is smaller than the sum of its proper divisors (12341814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11550666 is a wasteful number, since it uses less digits than its factorization.

11550666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 11550666 is about 3398.6270757469. The cubic root of 11550666 is about 226.0488708368.

It can be divided in two parts, 1155066 and 6, that multiplied together give a palindrome (6930396).

The spelling of 11550666 in words is "eleven million, five hundred fifty thousand, six hundred sixty-six".