6647646022 has 16 divisors (see below), whose sum is σ = 10101312000. Its totient is φ = 3280572360.

The previous prime is 6647646013. The next prime is 6647646041. The reversal of 6647646022 is 2206467466.

6647646022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6647646022.

It is a congruent number.

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, 577479 + ... + 588877.

It is an arithmetic number, because the mean of its divisors is an integer number (631332000).

Almost surely, 2^6647646022 is an apocalyptic number.

6647646022 is a deficient number, since it is larger than the sum of its proper divisors (3453665978).

6647646022 is a wasteful number, since it uses less digits than its factorization.

6647646022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 6647646022 is about 81533.0977088446. The cubic root of 6647646022 is about 1880.2804416031.

The spelling of 6647646022 in words is "six billion, six hundred forty-seven million, six hundred forty-six thousand, twenty-two".