163223026432 has 72 divisors (see below), whose sum is σ = 351483100416. Its totient is φ = 75361468416.

The previous prime is 163223026423. The next prime is 163223026433. The reversal of 163223026432 is 234620322361.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (163223026433) 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, 123168 + ... + 584479.

It is an arithmetic number, because the mean of its divisors is an integer number (4881709728).

Almost surely, 2^163223026432 is an apocalyptic number.

It is an amenable number.

163223026432 is an abundant number, since it is smaller than the sum of its proper divisors (188260073984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163223026432 is an equidigital number, since it uses as much as digits as its factorization.

163223026432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707733 (or 707719 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 163223026432 its reverse (234620322361), we get a palindrome (397843348793).

The spelling of 163223026432 in words is "one hundred sixty-three billion, two hundred twenty-three million, twenty-six thousand, four hundred thirty-two".