109666841 has 8 divisors (see below), whose sum is σ = 118255200. Its totient is φ = 101360160.

The previous prime is 109666819. The next prime is 109666859. The reversal of 109666841 is 148666901.

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 109666841 - 2¹⁸ = 109404697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109666801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69611 + ... + 71168.

It is an arithmetic number, because the mean of its divisors is an integer number (14781900).

Almost surely, 2^109666841 is an apocalyptic number.

It is an amenable number.

109666841 is a deficient number, since it is larger than the sum of its proper divisors (8588359).

109666841 is a wasteful number, since it uses less digits than its factorization.

109666841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140839.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 109666841 is about 10472.1937052367. The cubic root of 109666841 is about 478.6577678423.

The spelling of 109666841 in words is "one hundred nine million, six hundred sixty-six thousand, eight hundred forty-one".