163165241 has 4 divisors (see below), whose sum is σ = 163218000. Its totient is φ = 163112484.

The previous prime is 163165231. The next prime is 163165271. The reversal of 163165241 is 142561361.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-163165241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163165231) 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, 21431 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (40804500).

Almost surely, 2^163165241 is an apocalyptic number.

It is an amenable number.

163165241 is a deficient number, since it is larger than the sum of its proper divisors (52759).

163165241 is an equidigital number, since it uses as much as digits as its factorization.

163165241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52758.

The product of its digits is 4320, while the sum is 29.

The square root of 163165241 is about 12773.6150325583. The cubic root of 163165241 is about 546.4400833655.

The spelling of 163165241 in words is "one hundred sixty-three million, one hundred sixty-five thousand, two hundred forty-one".