8066099880 has 160 divisors (see below), whose sum is σ = 27292256640. Its totient is φ = 2136585600.

The previous prime is 8066099861. The next prime is 8066099891. The reversal of 8066099880 is 889906608.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 480997 + ... + 497483.

It is an arithmetic number, because the mean of its divisors is an integer number (170576604).

Almost surely, 2^8066099880 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 8066099880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13646128320).

8066099880 is an abundant number, since it is smaller than the sum of its proper divisors (19226156760).

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

8066099880 is a wasteful number, since it uses less digits than its factorization.

8066099880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16661 (or 16648 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 8066099880 is about 89811.4685326991. The cubic root of 8066099880 is about 2005.4932217772.

The spelling of 8066099880 in words is "eight billion, sixty-six million, ninety-nine thousand, eight hundred eighty".