163565327023232 has 32 divisors (see below), whose sum is σ = 345020611694220. Its totient is φ = 76971918598144.

The previous prime is 163565327023183. The next prime is 163565327023247. The reversal of 163565327023232 is 232320723565361.

It can be written as a sum of positive squares in 2 ways, for example, as 122818348534336 + 40746978488896 = 11082344^2 + 6383336^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37583942453 + ... + 37583946804.

Almost surely, 2^{163565327023232} is an apocalyptic number.

It is an amenable number.

163565327023232 is an abundant number, since it is smaller than the sum of its proper divisors (181455284670988).

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

163565327023232 is an equidigital number, since it uses as much as digits as its factorization.

163565327023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75167889288 (or 75167889276 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 50.

The spelling of 163565327023232 in words is "one hundred sixty-three trillion, five hundred sixty-five billion, three hundred twenty-seven million, twenty-three thousand, two hundred thirty-two".