109724166 has 32 divisors (see below), whose sum is σ = 250426080. Its totient is φ = 35585568.

The previous prime is 109724143. The next prime is 109724189. The reversal of 109724166 is 661427901.

It is an interprime number because it is at equal distance from previous prime (109724143) and next prime (109724189).

It is a self number, because there is not a number n which added to its sum of digits gives 109724166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25461 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (7825815).

Almost surely, 2^109724166 is an apocalyptic number.

109724166 is an abundant number, since it is smaller than the sum of its proper divisors (140701914).

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

109724166 is a wasteful number, since it uses less digits than its factorization.

109724166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54965 (or 54959 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109724166 is about 10474.9303577637. The cubic root of 109724166 is about 478.7411545698.

The spelling of 109724166 in words is "one hundred nine million, seven hundred twenty-four thousand, one hundred sixty-six".