168441 has 16 divisors (see below), whose sum is σ = 276864. Its totient is φ = 88704.

The previous prime is 168433. The next prime is 168449. The reversal of 168441 is 144861.

It is an interprime number because it is at equal distance from previous prime (168433) and next prime (168449).

It is not a de Polignac number, because 168441 - 2³ = 168433 is a prime.

168441 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (168449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (17304).

2¹⁶⁸⁴⁴¹ is an apocalyptic number.

It is an amenable number.

168441 is a deficient number, since it is larger than the sum of its proper divisors (108423).

168441 is a wasteful number, since it uses less digits than its factorization.

168441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 768, while the sum is 24.

The square root of 168441 is about 410.4156429767. The cubic root of 168441 is about 55.2267225162.

It can be divided in two parts, 168 and 441, that multiplied together give a cube (74088 = 42³).

The spelling of 168441 in words is "one hundred sixty-eight thousand, four hundred forty-one".