6720159168 has 336 divisors, whose sum is σ = 21088843776. Its totient is φ = 2118804480.

The previous prime is 6720159139. The next prime is 6720159179. The reversal of 6720159168 is 8619510276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25551805 + ... + 25552067.

It is an arithmetic number, because the mean of its divisors is an integer number (62764416).

Almost surely, 2^6720159168 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 6720159168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10544421888).

6720159168 is an abundant number, since it is smaller than the sum of its proper divisors (14368684608).

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

6720159168 is a wasteful number, since it uses less digits than its factorization.

6720159168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 6720159168 is about 81976.5769473208. The cubic root of 6720159168 is about 1887.0924909359.

The spelling of 6720159168 in words is "six billion, seven hundred twenty million, one hundred fifty-nine thousand, one hundred sixty-eight".