1100042666 has 16 divisors (see below), whose sum is σ = 1754296704. Its totient is φ = 516179664.

The previous prime is 1100042663. The next prime is 1100042731. The reversal of 1100042666 is 6662400011.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100042663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223166 + ... + 228041.

It is an arithmetic number, because the mean of its divisors is an integer number (109643544).

Almost surely, 2^1100042666 is an apocalyptic number.

1100042666 is a deficient number, since it is larger than the sum of its proper divisors (654254038).

1100042666 is a wasteful number, since it uses less digits than its factorization.

1100042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451285.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1100042666 is about 33166.8911114684. The cubic root of 1100042666 is about 1032.2934617273.

Adding to 1100042666 its reverse (6662400011), we get a palindrome (7762442677).

The spelling of 1100042666 in words is "one billion, one hundred million, forty-two thousand, six hundred sixty-six".