163936041 has 4 divisors (see below), whose sum is σ = 218581392. Its totient is φ = 109290692.

The previous prime is 163936037. The next prime is 163936057. The reversal of 163936041 is 140639361.

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: 140639361 = 3 ⋅46879787.

It is a cyclic number.

It is not a de Polignac number, because 163936041 - 2² = 163936037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163935993 and 163936011.

It is not an unprimeable number, because it can be changed into a prime (163936021) 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, 27322671 + ... + 27322676.

It is an arithmetic number, because the mean of its divisors is an integer number (54645348).

Almost surely, 2^163936041 is an apocalyptic number.

It is an amenable number.

163936041 is a deficient number, since it is larger than the sum of its proper divisors (54645351).

163936041 is an equidigital number, since it uses as much as digits as its factorization.

163936041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54645350.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 163936041 is about 12803.7510519379. The cubic root of 163936041 is about 547.2992011923.

The spelling of 163936041 in words is "one hundred sixty-three million, nine hundred thirty-six thousand, forty-one".