163403202112 has 28 divisors (see below), whose sum is σ = 325458665820. Its totient is φ = 81397869056.

The previous prime is 163403202097. The next prime is 163403202119. The reversal of 163403202112 is 211202304361.

It can be written as a sum of positive squares in 2 ways, for example, as 70148700736 + 93254501376 = 264856^2 + 305376^2 .

It is not an unprimeable number, because it can be changed into a prime (163403202119) 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, 4728463 + ... + 4762894.

Almost surely, 2^163403202112 is an apocalyptic number.

It is an amenable number.

163403202112 is a deficient number, since it is larger than the sum of its proper divisors (162055463708).

163403202112 is an equidigital number, since it uses as much as digits as its factorization.

163403202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491638 (or 9491628 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 163403202112 its reverse (211202304361), we get a palindrome (374605506473).

The spelling of 163403202112 in words is "one hundred sixty-three billion, four hundred three million, two hundred two thousand, one hundred twelve".