24165161 has 4 divisors (see below), whose sum is σ = 24574800. Its totient is φ = 23755524.

The previous prime is 24165133. The next prime is 24165187. The reversal of 24165161 is 16156142.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16156142 = 2 ⋅8078071.

It is not a de Polignac number, because 24165161 - 2¹⁸ = 23903017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24165161.

It is not an unprimeable number, because it can be changed into a prime (24165101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204731 + ... + 204848.

It is an arithmetic number, because the mean of its divisors is an integer number (6143700).

Almost surely, 2^24165161 is an apocalyptic number.

It is an amenable number.

24165161 is a deficient number, since it is larger than the sum of its proper divisors (409639).

24165161 is an equidigital number, since it uses as much as digits as its factorization.

24165161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409638.

The product of its digits is 1440, while the sum is 26.

The square root of 24165161 is about 4915.8072582232. The cubic root of 24165161 is about 289.1100780764.

The spelling of 24165161 in words is "twenty-four million, one hundred sixty-five thousand, one hundred sixty-one".