109566668 has 12 divisors (see below), whose sum is σ = 191840880. Its totient is φ = 54754992.

The previous prime is 109566661. The next prime is 109566671. The reversal of 109566668 is 866665901.

It is not an unprimeable number, because it can be changed into a prime (109566661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305 + ... + 15167.

It is an arithmetic number, because the mean of its divisors is an integer number (15986740).

Almost surely, 2^109566668 is an apocalyptic number.

It is an amenable number.

109566668 is a deficient number, since it is larger than the sum of its proper divisors (82274212).

109566668 is a wasteful number, since it uses less digits than its factorization.

109566668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176 (or 14174 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 109566668 is about 10467.4098037671. The cubic root of 109566668 is about 478.5119832984.

The spelling of 109566668 in words is "one hundred nine million, five hundred sixty-six thousand, six hundred sixty-eight".