109940166 has 80 divisors (see below), whose sum is σ = 285939456. Its totient is φ = 30921264.

The previous prime is 109940143. The next prime is 109940183. The reversal of 109940166 is 661049901.

It is a self number, because there is not a number n which added to its sum of digits gives 109940166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75255 + ... + 76701.

Almost surely, 2^109940166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109940166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142969728).

109940166 is an abundant number, since it is smaller than the sum of its proper divisors (175999290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109940166 is a wasteful number, since it uses less digits than its factorization.

109940166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109940166 is about 10485.2356196702. The cubic root of 109940166 is about 479.0550942479.

The spelling of 109940166 in words is "one hundred nine million, nine hundred forty thousand, one hundred sixty-six".