32163395328 has 144 divisors (see below), whose sum is σ = 96453907200. Its totient is φ = 10569968640.

The previous prime is 32163395317. The next prime is 32163395357. The reversal of 32163395328 is 82359336123.

32163395328 is a `hidden beast` number, since 3 + 2 + 1 + 633 + 9 + 5 + 3 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457983 + ... + 523521.

It is an arithmetic number, because the mean of its divisors is an integer number (669818800).

Almost surely, 2^32163395328 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 32163395328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48226953600).

32163395328 is an abundant number, since it is smaller than the sum of its proper divisors (64290511872).

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

32163395328 is an equidigital number, since it uses as much as digits as its factorization.

32163395328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65635 (or 65615 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 32163395328 in words is "thirty-two billion, one hundred sixty-three million, three hundred ninety-five thousand, three hundred twenty-eight".