6521046208 has 56 divisors (see below), whose sum is σ = 13337438400. Its totient is φ = 3161714688.

The previous prime is 6521046193. The next prime is 6521046209. The reversal of 6521046208 is 8026401256.

It is not an unprimeable number, because it can be changed into a prime (6521046209) by changing a digit.

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, 317928 + ... + 337816.

Almost surely, 2^6521046208 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 6521046208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6668719200).

6521046208 is an abundant number, since it is smaller than the sum of its proper divisors (6816392192).

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

6521046208 is a wasteful number, since it uses less digits than its factorization.

6521046208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20057 (or 20047 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 6521046208 is about 80752.9950404318. The cubic root of 6521046208 is about 1868.2676444161.

The spelling of 6521046208 in words is "six billion, five hundred twenty-one million, forty-six thousand, two hundred eight".