168331941 has 24 divisors (see below), whose sum is σ = 248069016. Its totient is φ = 109969920.

The previous prime is 168331903. The next prime is 168331951. The reversal of 168331941 is 149133861.

It can be written as a sum of positive squares in 4 ways, for example, as 58522500 + 109809441 = 7650^2 + 10479^2 .

It is not a de Polignac number, because 168331941 - 2¹⁴ = 168315557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168331896 and 168331905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168331901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112921 + ... + 114401.

It is an arithmetic number, because the mean of its divisors is an integer number (10336209).

Almost surely, 2^168331941 is an apocalyptic number.

It is an amenable number.

168331941 is a deficient number, since it is larger than the sum of its proper divisors (79737075).

168331941 is a wasteful number, since it uses less digits than its factorization.

168331941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1730 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 168331941 is about 12974.2799800220. The cubic root of 168331941 is about 552.1480089085.

The spelling of 168331941 in words is "one hundred sixty-eight million, three hundred thirty-one thousand, nine hundred forty-one".