6608644608646 has 8 divisors (see below), whose sum is σ = 9922507788960. Its totient is φ = 3301142012328.

The previous prime is 6608644608589. The next prime is 6608644608649. The reversal of 6608644608646 is 6468064468066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6608644608649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590143401 + ... + 1590147556.

It is an arithmetic number, because the mean of its divisors is an integer number (1240313473620).

Almost surely, 2^{6608644608646} is an apocalyptic number.

6608644608646 is a deficient number, since it is larger than the sum of its proper divisors (3313863180314).

6608644608646 is a wasteful number, since it uses less digits than its factorization.

6608644608646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180291998.

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 6608644608646 in words is "six trillion, six hundred eight billion, six hundred forty-four million, six hundred eight thousand, six hundred forty-six".