8389647168 has 112 divisors (see below), whose sum is σ = 25389010944. Its totient is φ = 2395123200.

The previous prime is 8389647143. The next prime is 8389647197. The reversal of 8389647168 is 8617469838.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3287493 + ... + 3290043.

Almost surely, 2^8389647168 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 8389647168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12694505472).

8389647168 is an abundant number, since it is smaller than the sum of its proper divisors (16999363776).

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

8389647168 is a wasteful number, since it uses less digits than its factorization.

8389647168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5010 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 8389647168 is about 91595.0171570485. The cubic root of 8389647168 is about 2031.9572448482.

The spelling of 8389647168 in words is "eight billion, three hundred eighty-nine million, six hundred forty-seven thousand, one hundred sixty-eight".