6604765650 has 192 divisors, whose sum is σ = 21036153600. Its totient is φ = 1492508160.

The previous prime is 6604765577. The next prime is 6604765669. The reversal of 6604765650 is 565674066.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6604765596 and 6604765605.

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 95 ways as a sum of consecutive naturals, for example, 837124 + ... + 844976.

It is an arithmetic number, because the mean of its divisors is an integer number (109563300).

Almost surely, 2^6604765650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6604765650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10518076800).

6604765650 is an abundant number, since it is smaller than the sum of its proper divisors (14431387950).

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

6604765650 is a wasteful number, since it uses less digits than its factorization.

6604765650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7959 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 6604765650 is about 81269.7093018057. The cubic root of 6604765650 is about 1876.2288264830.

The spelling of 6604765650 in words is "six billion, six hundred four million, seven hundred sixty-five thousand, six hundred fifty".