160673309 has 4 divisors (see below), whose sum is σ = 162609216. Its totient is φ = 158737404.

The previous prime is 160673299. The next prime is 160673321. The reversal of 160673309 is 903376061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160673309 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 (160673389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967829 + ... + 967994.

It is an arithmetic number, because the mean of its divisors is an integer number (40652304).

Almost surely, 2^160673309 is an apocalyptic number.

It is an amenable number.

160673309 is a deficient number, since it is larger than the sum of its proper divisors (1935907).

160673309 is an equidigital number, since it uses as much as digits as its factorization.

160673309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935906.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 160673309 is about 12675.6975744927. The cubic root of 160673309 is about 543.6439750295.

The spelling of 160673309 in words is "one hundred sixty million, six hundred seventy-three thousand, three hundred nine".