6606840080 has 40 divisors (see below), whose sum is σ = 15650741592. Its totient is φ = 2592871424.

The previous prime is 6606840077. The next prime is 6606840127. The reversal of 6606840080 is 800486066.

It can be written as a sum of positive squares in 4 ways, for example, as 614841616 + 5991998464 = 24796^2 + 77408^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774869 + ... + 783348.

Almost surely, 2^6606840080 is an apocalyptic number.

It is an amenable number.

6606840080 is an abundant number, since it is smaller than the sum of its proper divisors (9043901512).

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

6606840080 is a wasteful number, since it uses less digits than its factorization.

6606840080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558283 (or 1558277 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6606840080 is about 81282.4709270086. The cubic root of 6606840080 is about 1876.4252350645.

The spelling of 6606840080 in words is "six billion, six hundred six million, eight hundred forty thousand, eighty".