1100666 has 16 divisors (see below), whose sum is σ = 1952640. Its totient is φ = 455280.

The previous prime is 1100653. The next prime is 1100681. The reversal of 1100666 is 6660011.

It is a super-2 number, since 2×1100666² = 2422931287112, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 950 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (122040).

2^1100666 is an apocalyptic number.

1100666 is a deficient number, since it is larger than the sum of its proper divisors (851974).

1100666 is a wasteful number, since it uses less digits than its factorization.

1100666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1100666 is about 1049.1263031685. The cubic root of 1100666 is about 103.2488406321.

Adding to 1100666 its reverse (6660011), we get a palindrome (7760677).

The spelling of 1100666 in words is "one million, one hundred thousand, six hundred sixty-six".