6533901648 has 60 divisors (see below), whose sum is σ = 18674929728. Its totient is φ = 2131625280.

The previous prime is 6533901641. The next prime is 6533901653. The reversal of 6533901648 is 8461093356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533901641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475938 + ... + 489473.

Almost surely, 2^6533901648 is an apocalyptic number.

It is an amenable number.

6533901648 is an abundant number, since it is smaller than the sum of its proper divisors (12141028080).

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

6533901648 is a wasteful number, since it uses less digits than its factorization.

6533901648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965472 (or 965463 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6533901648 is about 80832.5531453758. The cubic root of 6533901648 is about 1869.4945251267.

The spelling of 6533901648 in words is "six billion, five hundred thirty-three million, nine hundred one thousand, six hundred forty-eight".