6646805562 has 16 divisors (see below), whose sum is σ = 13295976192. Its totient is φ = 2215207680.

The previous prime is 6646805519. The next prime is 6646805611. The reversal of 6646805562 is 2655086466.

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, 60903 + ... + 130394.

It is an arithmetic number, because the mean of its divisors is an integer number (830998512).

Almost surely, 2^6646805562 is an apocalyptic number.

6646805562 is an abundant number, since it is smaller than the sum of its proper divisors (6649170630).

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

6646805562 is a wasteful number, since it uses less digits than its factorization.

6646805562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197093.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The square root of 6646805562 is about 81527.9434427240. The cubic root of 6646805562 is about 1880.2011971559.

The spelling of 6646805562 in words is "six billion, six hundred forty-six million, eight hundred five thousand, five hundred sixty-two".