163266439195232 has 96 divisors (see below), whose sum is σ = 331587354242592. Its totient is φ = 79073929949184.

The previous prime is 163266439195213. The next prime is 163266439195243. The reversal of 163266439195232 is 232591934662361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367351898 + ... + 367796070.

It is an arithmetic number, because the mean of its divisors is an integer number (3454034940027).

Almost surely, 2^{163266439195232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163266439195232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165793677121296).

163266439195232 is an abundant number, since it is smaller than the sum of its proper divisors (168320915047360).

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

163266439195232 is a wasteful number, since it uses less digits than its factorization.

163266439195232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445600 (or 445592 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 62.

The spelling of 163266439195232 in words is "one hundred sixty-three trillion, two hundred sixty-six billion, four hundred thirty-nine million, one hundred ninety-five thousand, two hundred thirty-two".