1099086666 has 16 divisors (see below), whose sum is σ = 2218718304. Its totient is φ = 362938064.

The previous prime is 1099086661. The next prime is 1099086697. The reversal of 1099086666 is 6666809901.

It is not an unprimeable number, because it can be changed into a prime (1099086661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 855345 + ... + 856628.

It is an arithmetic number, because the mean of its divisors is an integer number (138669894).

Almost surely, 2^1099086666 is an apocalyptic number.

1099086666 is an abundant number, since it is smaller than the sum of its proper divisors (1119631638).

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

1099086666 is a wasteful number, since it uses less digits than its factorization.

1099086666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712085.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 1099086666 is about 33152.4760161289. The cubic root of 1099086666 is about 1031.9943343689.

The spelling of 1099086666 in words is "one billion, ninety-nine million, eighty-six thousand, six hundred sixty-six".