6605820670 has 16 divisors (see below), whose sum is σ = 11995704720. Its totient is φ = 2618944384.

The previous prime is 6605820647. The next prime is 6605820671. The reversal of 6605820670 is 760285066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605820671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2921800 + ... + 2924059.

It is an arithmetic number, because the mean of its divisors is an integer number (749731545).

Almost surely, 2^6605820670 is an apocalyptic number.

6605820670 is a deficient number, since it is larger than the sum of its proper divisors (5389884050).

6605820670 is a wasteful number, since it uses less digits than its factorization.

6605820670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845979.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6605820670 is about 81276.1998988634. The cubic root of 6605820670 is about 1876.3287217028.

The spelling of 6605820670 in words is "six billion, six hundred five million, eight hundred twenty thousand, six hundred seventy".