8604163872 has 96 divisors (see below), whose sum is σ = 25205644800. Its totient is φ = 2855464704.

The previous prime is 8604163783. The next prime is 8604163901. The reversal of 8604163872 is 2783614068.

8604163872 is a `hidden beast` number, since 8 + 6 + 0 + 4 + 1 + 638 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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, 176113 + ... + 219599.

It is an arithmetic number, because the mean of its divisors is an integer number (262558800).

Almost surely, 2^8604163872 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 8604163872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12602822400).

8604163872 is an abundant number, since it is smaller than the sum of its proper divisors (16601480928).

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

8604163872 is a wasteful number, since it uses less digits than its factorization.

8604163872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43735 (or 43721 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8604163872 is about 92758.6323314440. The cubic root of 8604163872 is about 2049.1302177317.

The spelling of 8604163872 in words is "eight billion, six hundred four million, one hundred sixty-three thousand, eight hundred seventy-two".