160440217 has 16 divisors (see below), whose sum is σ = 186106752. Its totient is φ = 135475200.

The previous prime is 160440179. The next prime is 160440223. The reversal of 160440217 is 712044061.

It is not a de Polignac number, because 160440217 - 2⁷ = 160440089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160440191 and 160440200.

It is not an unprimeable number, because it can be changed into a prime (160440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181258 + ... + 182140.

It is an arithmetic number, because the mean of its divisors is an integer number (11631672).

Almost surely, 2^160440217 is an apocalyptic number.

It is an amenable number.

160440217 is a deficient number, since it is larger than the sum of its proper divisors (25666535).

160440217 is a wasteful number, since it uses less digits than its factorization.

160440217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 160440217 is about 12666.4997927604. The cubic root of 160440217 is about 543.3809560509.

Adding to 160440217 its reverse (712044061), we get a palindrome (872484278).

The spelling of 160440217 in words is "one hundred sixty million, four hundred forty thousand, two hundred seventeen".