163743542443232 has 48 divisors (see below), whose sum is σ = 341334425748960. Its totient is φ = 77055473246208.

The previous prime is 163743542443231. The next prime is 163743542443267. The reversal of 163743542443232 is 232344245347361.

163743542443232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163743542443231) 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, 187574744 + ... + 188445672.

It is an arithmetic number, because the mean of its divisors is an integer number (7111133869770).

Almost surely, 2^{163743542443232} is an apocalyptic number.

It is an amenable number.

163743542443232 is an abundant number, since it is smaller than the sum of its proper divisors (177590883305728).

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

163743542443232 is a wasteful number, since it uses less digits than its factorization.

163743542443232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216563 (or 1216555 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 53.

The spelling of 163743542443232 in words is "one hundred sixty-three trillion, seven hundred forty-three billion, five hundred forty-two million, four hundred forty-three thousand, two hundred thirty-two".