8071066660 has 48 divisors (see below), whose sum is σ = 17268552000. Its totient is φ = 3167809664.

The previous prime is 8071066657. The next prime is 8071066699. The reversal of 8071066660 is 666601708.

8071066660 = T₁₀₅ + T₁₀₆ + ... + T₃₆₄₄.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658266 + ... + 670414.

It is an arithmetic number, because the mean of its divisors is an integer number (359761500).

Almost surely, 2^8071066660 is an apocalyptic number.

It is an amenable number.

8071066660 is an abundant number, since it is smaller than the sum of its proper divisors (9197485340).

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

8071066660 is a wasteful number, since it uses less digits than its factorization.

8071066660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780 (or 12778 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8071066660 is about 89839.1154230717. The cubic root of 8071066660 is about 2005.9047713479.

The spelling of 8071066660 in words is "eight billion, seventy-one million, sixty-six thousand, six hundred sixty".