6605921036896 has 24 divisors (see below), whose sum is σ = 13012448526000. Its totient is φ = 3301172204928.

The previous prime is 6605921036861. The next prime is 6605921036899. The reversal of 6605921036896 is 6986301295066.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605921036899) 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, 55824771 + ... + 55942978.

It is an arithmetic number, because the mean of its divisors is an integer number (542185355250).

Almost surely, 2^{6605921036896} is an apocalyptic number.

It is an amenable number.

6605921036896 is a deficient number, since it is larger than the sum of its proper divisors (6406527489104).

6605921036896 is a wasteful number, since it uses less digits than its factorization.

6605921036896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111769606 (or 111769598 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 6605921036896 in words is "six trillion, six hundred five billion, nine hundred twenty-one million, thirty-six thousand, eight hundred ninety-six".