163473532432 has 40 divisors (see below), whose sum is σ = 381028539200. Its totient is φ = 66372711552.

The previous prime is 163473532427. The next prime is 163473532433. The reversal of 163473532432 is 234235374361.

It is not an unprimeable number, because it can be changed into a prime (163473532433) 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, 38408007 + ... + 38412262.

It is an arithmetic number, because the mean of its divisors is an integer number (9525713480).

Almost surely, 2^163473532432 is an apocalyptic number.

It is an amenable number.

163473532432 is an abundant number, since it is smaller than the sum of its proper divisors (217555006768).

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

163473532432 is a wasteful number, since it uses less digits than its factorization.

163473532432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76820303 (or 76820297 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 43.

The spelling of 163473532432 in words is "one hundred sixty-three billion, four hundred seventy-three million, five hundred thirty-two thousand, four hundred thirty-two".