170444109 has 12 divisors (see below), whose sum is σ = 249797408. Its totient is φ = 103299240.

The previous prime is 170444083. The next prime is 170444111. The reversal of 170444109 is 901444071.

It is not a de Polignac number, because 170444109 - 2⁷ = 170443981 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 (170444179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234409 + ... + 235134.

Almost surely, 2^170444109 is an apocalyptic number.

It is an amenable number.

170444109 is a deficient number, since it is larger than the sum of its proper divisors (79353299).

170444109 is a wasteful number, since it uses less digits than its factorization.

170444109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469568 (or 469557 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 170444109 is about 13055.4245047796. The cubic root of 170444109 is about 554.4478007412.

The spelling of 170444109 in words is "one hundred seventy million, four hundred forty-four thousand, one hundred nine".