6647233152 has 64 divisors (see below), whose sum is σ = 20179108800. Its totient is φ = 1899208704.

The previous prime is 6647233111. The next prime is 6647233183. The reversal of 6647233152 is 2513327466.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 6647233152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233777 + ... + 1239152.

It is an arithmetic number, because the mean of its divisors is an integer number (315298575).

Almost surely, 2^6647233152 is an apocalyptic number.

It is an amenable number.

6647233152 is an abundant number, since it is smaller than the sum of its proper divisors (13531875648).

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

6647233152 is a wasteful number, since it uses less digits than its factorization.

6647233152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472953 (or 2472941 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 6647233152 is about 81530.5657529739. The cubic root of 6647233152 is about 1880.2415141665.

The spelling of 6647233152 in words is "six billion, six hundred forty-seven million, two hundred thirty-three thousand, one hundred fifty-two".