8069551056 has 120 divisors (see below), whose sum is σ = 26076150464. Its totient is φ = 2281789440.

The previous prime is 8069551043. The next prime is 8069551067. The reversal of 8069551056 is 6501559608.

It is a happy number.

8069551056 is a `hidden beast` number, since 80 + 6 + 9 + 5 + 510 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56511 + ... + 139041.

Almost surely, 2^8069551056 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 8069551056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13038075232).

8069551056 is an abundant number, since it is smaller than the sum of its proper divisors (18006599408).

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

8069551056 is a wasteful number, since it uses less digits than its factorization.

8069551056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82649 (or 82640 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 8069551056 is about 89830.6799261811. The cubic root of 8069551056 is about 2005.7792056393.

The spelling of 8069551056 in words is "eight billion, sixty-nine million, five hundred fifty-one thousand, fifty-six".