163816241 has 8 divisors (see below), whose sum is σ = 166406400. Its totient is φ = 161234080.

The previous prime is 163816231. The next prime is 163816249. The reversal of 163816241 is 142618361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163816241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163816198 and 163816207.

It is not an unprimeable number, because it can be changed into a prime (163816249) 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 7 ways as a sum of consecutive naturals, for example, 49445 + ... + 52653.

It is an arithmetic number, because the mean of its divisors is an integer number (20800800).

Almost surely, 2^163816241 is an apocalyptic number.

It is an amenable number.

163816241 is a deficient number, since it is larger than the sum of its proper divisors (2590159).

163816241 is an equidigital number, since it uses as much as digits as its factorization.

163816241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999.

The product of its digits is 6912, while the sum is 32.

The square root of 163816241 is about 12799.0718804138. The cubic root of 163816241 is about 547.1658515807.

It can be divided in two parts, 16381 and 6241, that added together give a palindrome (22622).

The spelling of 163816241 in words is "one hundred sixty-three million, eight hundred sixteen thousand, two hundred forty-one".