6604209648 has 30 divisors (see below), whose sum is σ = 18482614904. Its totient is φ = 2201403168.

The previous prime is 6604209641. The next prime is 6604209649. The reversal of 6604209648 is 8469024066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604209641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22931140 + ... + 22931427.

Almost surely, 2^6604209648 is an apocalyptic number.

It is an amenable number.

6604209648 is an abundant number, since it is smaller than the sum of its proper divisors (11878405256).

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

6604209648 is a wasteful number, since it uses less digits than its factorization.

6604209648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45862581 (or 45862572 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 6604209648 is about 81266.2885088276. The cubic root of 6604209648 is about 1876.1761768101.

The spelling of 6604209648 in words is "six billion, six hundred four million, two hundred nine thousand, six hundred forty-eight".