160421 has 4 divisors (see below), whose sum is σ = 163200. Its totient is φ = 157644.

The previous prime is 160409. The next prime is 160423. The reversal of 160421 is 124061.

160421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 160421 - 2⁶ = 160357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 160396 and 160405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160423) 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, 1301 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (40800).

2¹⁶⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

160421 is a deficient number, since it is larger than the sum of its proper divisors (2779).

160421 is an equidigital number, since it uses as much as digits as its factorization.

160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 160421 is about 400.5259042809. The cubic root of 160421 is about 54.3359260392.

Adding to 160421 its reverse (124061), we get a palindrome (284482).

The spelling of 160421 in words is "one hundred sixty thousand, four hundred twenty-one".