11145666 has 32 divisors (see below), whose sum is σ = 26818560. Its totient is φ = 3016656.

The previous prime is 11145661. The next prime is 11145671. The reversal of 11145666 is 66654111.

It is an interprime number because it is at equal distance from previous prime (11145661) and next prime (11145671).

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11145661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6186 + ... + 7781.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^11145666 is an apocalyptic number.

11145666 is an abundant number, since it is smaller than the sum of its proper divisors (15672894).

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

11145666 is a wasteful number, since it uses less digits than its factorization.

11145666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998.

The product of its digits is 4320, while the sum is 30.

The square root of 11145666 is about 3338.5125430347. The cubic root of 11145666 is about 223.3753991206.

Adding to 11145666 its reverse (66654111), we get a palindrome (77799777).

It can be divided in two parts, 1114566 and 6, that multiplied together give a square (6687396 = 2586²).

The spelling of 11145666 in words is "eleven million, one hundred forty-five thousand, six hundred sixty-six".