160491 has 8 divisors (see below), whose sum is σ = 217744. Its totient is φ = 105120.

The previous prime is 160483. The next prime is 160499. The reversal of 160491 is 194061.

It is an interprime number because it is at equal distance from previous prime (160483) and next prime (160499).

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

It is not a de Polignac number, because 160491 - 2³ = 160483 is a prime.

It is a super-2 number, since 2×160491² = 51514722162, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 621.

It is an arithmetic number, because the mean of its divisors is an integer number (27218).

2¹⁶⁰⁴⁹¹ is an apocalyptic number.

160491 is a deficient number, since it is larger than the sum of its proper divisors (57253).

160491 is an equidigital number, since it uses as much as digits as its factorization.

160491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 160491 is about 400.6132798598. The cubic root of 160491 is about 54.3438280839.

The spelling of 160491 in words is "one hundred sixty thousand, four hundred ninety-one".