8160857472 has 128 divisors (see below), whose sum is σ = 22152735360. Its totient is φ = 2661281792.

The previous prime is 8160857461. The next prime is 8160857473. The reversal of 8160857472 is 2747580618.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160857473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409108 + ... + 3411500.

It is an arithmetic number, because the mean of its divisors is an integer number (173068245).

Almost surely, 2^8160857472 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 8160857472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11076367680).

8160857472 is an abundant number, since it is smaller than the sum of its proper divisors (13991877888).

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

8160857472 is a wasteful number, since it uses less digits than its factorization.

8160857472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 8160857472 is about 90337.4643877057. The cubic root of 8160857472 is about 2013.3159355055.

The spelling of 8160857472 in words is "eight billion, one hundred sixty million, eight hundred fifty-seven thousand, four hundred seventy-two".