109928666 has 16 divisors (see below), whose sum is σ = 170899200. Its totient is φ = 52976640.

The previous prime is 109928639. The next prime is 109928671. The reversal of 109928666 is 666829901.

It is a self number, because there is not a number n which added to its sum of digits gives 109928666.

It is an unprimeable number.

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, 12485 + ... + 19383.

It is an arithmetic number, because the mean of its divisors is an integer number (10681200).

Almost surely, 2^109928666 is an apocalyptic number.

109928666 is a deficient number, since it is larger than the sum of its proper divisors (60970534).

109928666 is a wasteful number, since it uses less digits than its factorization.

109928666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 109928666 is about 10484.6872151724. The cubic root of 109928666 is about 479.0383902355.

The spelling of 109928666 in words is "one hundred nine million, nine hundred twenty-eight thousand, six hundred sixty-six".