109666911 has 16 divisors (see below), whose sum is σ = 150478560. Its totient is φ = 71011200.

The previous prime is 109666897. The next prime is 109666937. The reversal of 109666911 is 119666901.

It is not a de Polignac number, because 109666911 - 2¹⁰ = 109665887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109666911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109666111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12645 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (9404910).

Almost surely, 2^109666911 is an apocalyptic number.

109666911 is a deficient number, since it is larger than the sum of its proper divisors (40811649).

109666911 is a wasteful number, since it uses less digits than its factorization.

109666911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 109666911 is about 10472.1970474204. The cubic root of 109666911 is about 478.6578696842.

The spelling of 109666911 in words is "one hundred nine million, six hundred sixty-six thousand, nine hundred eleven".