163420210563 has 8 divisors (see below), whose sum is σ = 217916839248. Its totient is φ = 108935194464.

The previous prime is 163420210561. The next prime is 163420210649. The reversal of 163420210563 is 365012024361.

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

It is not a de Polignac number, because 163420210563 - 2¹ = 163420210561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163420210561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870256 + ... + 2926637.

It is an arithmetic number, because the mean of its divisors is an integer number (27239604906).

Almost surely, 2^163420210563 is an apocalyptic number.

163420210563 is a deficient number, since it is larger than the sum of its proper divisors (54496628685).

163420210563 is an equidigital number, since it uses as much as digits as its factorization.

163420210563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806293.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 163420210563 in words is "one hundred sixty-three billion, four hundred twenty million, two hundred ten thousand, five hundred sixty-three".