6511663348 has 12 divisors (see below), whose sum is σ = 11398826880. Its totient is φ = 3254855672.

The previous prime is 6511663297. The next prime is 6511663387. The reversal of 6511663348 is 8433661156.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 228886 + ... + 255757.

It is an arithmetic number, because the mean of its divisors is an integer number (949902240).

Almost surely, 2^6511663348 is an apocalyptic number.

It is an amenable number.

6511663348 is a deficient number, since it is larger than the sum of its proper divisors (4887163532).

6511663348 is a wasteful number, since it uses less digits than its factorization.

6511663348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488006 (or 488004 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 6511663348 is about 80694.8780778557. The cubic root of 6511663348 is about 1867.3711569763.

The spelling of 6511663348 in words is "six billion, five hundred eleven million, six hundred sixty-three thousand, three hundred forty-eight".