109666285 has 8 divisors (see below), whose sum is σ = 131677920. Its totient is φ = 87680784.

The previous prime is 109666241. The next prime is 109666289. The reversal of 109666285 is 582666901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109666285 - 2¹³ = 109658093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109666289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (16459740).

Almost surely, 2^109666285 is an apocalyptic number.

It is an amenable number.

109666285 is a deficient number, since it is larger than the sum of its proper divisors (22011635).

109666285 is a wasteful number, since it uses less digits than its factorization.

109666285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 109666285 is about 10472.1671587117. The cubic root of 109666285 is about 478.6569589252.

The spelling of 109666285 in words is "one hundred nine million, six hundred sixty-six thousand, two hundred eighty-five".