6604135824 has 320 divisors, whose sum is σ = 21398630400. Its totient is φ = 1725235200.

The previous prime is 6604135823. The next prime is 6604135829. The reversal of 6604135824 is 4285314066.

It is a super-2 number, since 2×6604135824² = 87229219963680317952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6604135823) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10302544 + ... + 10303184.

It is an arithmetic number, because the mean of its divisors is an integer number (66870720).

Almost surely, 2^6604135824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6604135824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10699315200).

6604135824 is an abundant number, since it is smaller than the sum of its proper divisors (14794494576).

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

6604135824 is a wasteful number, since it uses less digits than its factorization.

6604135824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 6604135824 is about 81265.8342970771. The cubic root of 6604135824 is about 1876.1691859485.

The spelling of 6604135824 in words is "six billion, six hundred four million, one hundred thirty-five thousand, eight hundred twenty-four".