163063224321 has 4 divisors (see below), whose sum is σ = 217417632432. Its totient is φ = 108708816212.

The previous prime is 163063224263. The next prime is 163063224343. The reversal of 163063224321 is 123422360361.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 163063224321 - 2¹⁵ = 163063191553 is a prime.

It is a super-2 number, since 2×163063224321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163063224371) 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, 27177204051 + ... + 27177204056.

It is an arithmetic number, because the mean of its divisors is an integer number (54354408108).

Almost surely, 2^163063224321 is an apocalyptic number.

It is an amenable number.

163063224321 is a deficient number, since it is larger than the sum of its proper divisors (54354408111).

163063224321 is an equidigital number, since it uses as much as digits as its factorization.

163063224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54354408110.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 163063224321 its reverse (123422360361), we get a palindrome (286485584682).

The spelling of 163063224321 in words is "one hundred sixty-three billion, sixty-three million, two hundred twenty-four thousand, three hundred twenty-one".