1100666649 has 16 divisors (see below), whose sum is σ = 1571348160. Its totient is φ = 682851840.

The previous prime is 1100666629. The next prime is 1100666659. The reversal of 1100666649 is 9466660011.

It is not a de Polignac number, because 1100666649 - 2⁸ = 1100666393 is a prime.

It is a super-2 number, since 2×1100666649² = 2422934144441778402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100666629) 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, 116707 + ... + 125784.

It is an arithmetic number, because the mean of its divisors is an integer number (98209260).

Almost surely, 2^1100666649 is an apocalyptic number.

It is an amenable number.

1100666649 is a deficient number, since it is larger than the sum of its proper divisors (470681511).

1100666649 is a wasteful number, since it uses less digits than its factorization.

1100666649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242600.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1100666649 is about 33176.2964931289. The cubic root of 1100666649 is about 1032.4886092543.

The spelling of 1100666649 in words is "one billion, one hundred million, six hundred sixty-six thousand, six hundred forty-nine".