8066535120 has 640 divisors, whose sum is σ = 34254950400. Its totient is φ = 1703503872.

The previous prime is 8066535109. The next prime is 8066535133. The reversal of 8066535120 is 215356608.

8066535120 is a `hidden beast` number, since 80 + 6 + 65 + 3 + 512 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12352714 + ... + 12353366.

It is an arithmetic number, because the mean of its divisors is an integer number (53523360).

Almost surely, 2^8066535120 is an apocalyptic number.

8066535120 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 8066535120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17127475200).

8066535120 is an abundant number, since it is smaller than the sum of its proper divisors (26188415280).

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

8066535120 is a wasteful number, since it uses less digits than its factorization.

8066535120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 8066535120 is about 89813.8915758581. The cubic root of 8066535120 is about 2005.5292927071.

The spelling of 8066535120 in words is "eight billion, sixty-six million, five hundred thirty-five thousand, one hundred twenty".