109666997 has 8 divisors (see below), whose sum is σ = 120025152. Its totient is φ = 99373600.

The previous prime is 109666979. The next prime is 109667003. The reversal of 109666997 is 799666901.

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 109666997 - 2⁸ = 109666741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109666937) 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, 12608 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (15003144).

Almost surely, 2^109666997 is an apocalyptic number.

It is an amenable number.

109666997 is a deficient number, since it is larger than the sum of its proper divisors (10358155).

109666997 is a wasteful number, since it uses less digits than its factorization.

109666997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32379.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 109666997 is about 10472.2011535302. The cubic root of 109666997 is about 478.6579948042.

The spelling of 109666997 in words is "one hundred nine million, six hundred sixty-six thousand, nine hundred ninety-seven".