160391 has 8 divisors (see below), whose sum is σ = 200064. Its totient is φ = 124920.

The previous prime is 160387. The next prime is 160397. The reversal of 160391 is 193061.

160391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160391 - 2² = 160387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (25008).

2¹⁶⁰³⁹¹ is an apocalyptic number.

160391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160391 is a deficient number, since it is larger than the sum of its proper divisors (39673).

160391 is a wasteful number, since it uses less digits than its factorization.

160391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 160391 is about 400.4884517686. The cubic root of 160391 is about 54.3325387449.

The spelling of 160391 in words is "one hundred sixty thousand, three hundred ninety-one".