8344572160 has 72 divisors (see below), whose sum is σ = 20122464600. Its totient is φ = 3315351552.

The previous prime is 8344572139. The next prime is 8344572161. The reversal of 8344572160 is 612754438.

It can be written as a sum of positive squares in 4 ways, for example, as 65028096 + 8279544064 = 8064^2 + 90992^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8344572161) 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, 168844 + ... + 212596.

It is an arithmetic number, because the mean of its divisors is an integer number (279478675).

Almost surely, 2^8344572160 is an apocalyptic number.

8344572160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8344572160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10061232300).

8344572160 is an abundant number, since it is smaller than the sum of its proper divisors (11777892440).

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

8344572160 is a wasteful number, since it uses less digits than its factorization.

8344572160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43923 (or 43909 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 8344572160 is about 91348.6297653118. The cubic root of 8344572160 is about 2028.3116799507.

The spelling of 8344572160 in words is "eight billion, three hundred forty-four million, five hundred seventy-two thousand, one hundred sixty".