2163795328 has 64 divisors (see below), whose sum is σ = 4471394400. Its totient is φ = 1041768448.

The previous prime is 2163795317. The next prime is 2163795341. The reversal of 2163795328 is 8235973612.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×2163795328³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200725 + ... + 2201707.

Almost surely, 2^2163795328 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 2163795328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235697200).

2163795328 is an abundant number, since it is smaller than the sum of its proper divisors (2307599072).

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

2163795328 is an equidigital number, since it uses as much as digits as its factorization.

2163795328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1607 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 2163795328 is about 46516.6134622889. The cubic root of 2163795328 is about 1293.4174808561.

The spelling of 2163795328 in words is "two billion, one hundred sixty-three million, seven hundred ninety-five thousand, three hundred twenty-eight".