24128161 has 4 divisors (see below), whose sum is σ = 24161812. Its totient is φ = 24094512.

The previous prime is 24128129. The next prime is 24128171. The reversal of 24128161 is 16182142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19633761 + 4494400 = 4431^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 24128161 - 2⁵ = 24128129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24128171) 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, 15726 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (6040453).

Almost surely, 2^24128161 is an apocalyptic number.

It is an amenable number.

24128161 is a deficient number, since it is larger than the sum of its proper divisors (33651).

24128161 is an equidigital number, since it uses as much as digits as its factorization.

24128161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33650.

The product of its digits is 768, while the sum is 25.

The square root of 24128161 is about 4912.0424468850. The cubic root of 24128161 is about 288.9624476775.

The spelling of 24128161 in words is "twenty-four million, one hundred twenty-eight thousand, one hundred sixty-one".