6537005328 has 180 divisors, whose sum is σ = 20735391600. Its totient is φ = 1769185152.

The previous prime is 6537005243. The next prime is 6537005351. The reversal of 6537005328 is 8235007356.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 845223 + ... + 852921.

It is an arithmetic number, because the mean of its divisors is an integer number (115196620).

Almost surely, 2^6537005328 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 6537005328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10367695800).

6537005328 is an abundant number, since it is smaller than the sum of its proper divisors (14198386272).

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

6537005328 is a wasteful number, since it uses less digits than its factorization.

6537005328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762 (or 7730 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 6537005328 is about 80851.7490719898. The cubic root of 6537005328 is about 1869.7904888862.

The spelling of 6537005328 in words is "six billion, five hundred thirty-seven million, five thousand, three hundred twenty-eight".