163315241 has 4 divisors (see below), whose sum is σ = 171910800. Its totient is φ = 154719684.

The previous prime is 163315231. The next prime is 163315289. The reversal of 163315241 is 142513361.

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: 142513361 = 6959 ⋅20479.

It is a cyclic number.

It is not a de Polignac number, because 163315241 - 2¹⁸ = 163053097 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 163315241.

It is not an unprimeable number, because it can be changed into a prime (163315231) 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, 4297751 + ... + 4297788.

It is an arithmetic number, because the mean of its divisors is an integer number (42977700).

Almost surely, 2^163315241 is an apocalyptic number.

It is an amenable number.

163315241 is a deficient number, since it is larger than the sum of its proper divisors (8595559).

163315241 is an equidigital number, since it uses as much as digits as its factorization.

163315241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595558.

The product of its digits is 2160, while the sum is 26.

The square root of 163315241 is about 12779.4851617739. The cubic root of 163315241 is about 546.6074819841.

The spelling of 163315241 in words is "one hundred sixty-three million, three hundred fifteen thousand, two hundred forty-one".