6605646610512 has 40 divisors (see below), whose sum is σ = 17806525648704. Its totient is φ = 2106148194304.

The previous prime is 6605646610469. The next prime is 6605646610559. The reversal of 6605646610512 is 2150166465066.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2991686673 + ... + 2991688880.

Almost surely, 2^{6605646610512} is an apocalyptic number.

It is an amenable number.

6605646610512 is an abundant number, since it is smaller than the sum of its proper divisors (11200879038192).

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

6605646610512 is a wasteful number, since it uses less digits than its factorization.

6605646610512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983375587 (or 5983375581 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 6605646610512 in words is "six trillion, six hundred five billion, six hundred forty-six million, six hundred ten thousand, five hundred twelve".