6488646216 has 32 divisors (see below), whose sum is σ = 17469432960. Its totient is φ = 1996506432.

The previous prime is 6488646181. The next prime is 6488646221. The reversal of 6488646216 is 6126468846.

It is a super-2 number, since 2×6488646216² = 84205059432822237312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10398160 + ... + 10398783.

It is an arithmetic number, because the mean of its divisors is an integer number (545919780).

Almost surely, 2^6488646216 is an apocalyptic number.

It is an amenable number.

6488646216 is an abundant number, since it is smaller than the sum of its proper divisors (10980786744).

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

6488646216 is a wasteful number, since it uses less digits than its factorization.

6488646216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20796965 (or 20796961 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 51.

The square root of 6488646216 is about 80552.1335285416. The cubic root of 6488646216 is about 1865.1683265140.

The spelling of 6488646216 in words is "six billion, four hundred eighty-eight million, six hundred forty-six thousand, two hundred sixteen".