163063536243 has 4 divisors (see below), whose sum is σ = 217418048328. Its totient is φ = 108709024160.

The previous prime is 163063536221. The next prime is 163063536313. The reversal of 163063536243 is 342635360361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163063536243 - 2³⁰ = 161989794419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163063536195 and 163063536204.

It is not an unprimeable number, because it can be changed into a prime (163063536043) 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, 27177256038 + ... + 27177256043.

It is an arithmetic number, because the mean of its divisors is an integer number (54354512082).

Almost surely, 2^163063536243 is an apocalyptic number.

163063536243 is a deficient number, since it is larger than the sum of its proper divisors (54354512085).

163063536243 is an equidigital number, since it uses as much as digits as its factorization.

163063536243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54354512084.

The product of its (nonzero) digits is 699840, while the sum is 42.

The spelling of 163063536243 in words is "one hundred sixty-three billion, sixty-three million, five hundred thirty-six thousand, two hundred forty-three".