6503663056 has 40 divisors (see below), whose sum is σ = 13796108064. Its totient is φ = 2945516160.

The previous prime is 6503663053. The next prime is 6503663059.

6503663056 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6503663053) and next prime (6503663059).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503663051) 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, 17950 + ... + 115453.

Almost surely, 2^6503663056 is an apocalyptic number.

It is an amenable number.

6503663056 is an abundant number, since it is smaller than the sum of its proper divisors (7292445008).

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

6503663056 is a wasteful number, since it uses less digits than its factorization.

6503663056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133699 (or 133693 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 40.

The square root of 6503663056 is about 80645.2915922560. The cubic root of 6503663056 is about 1866.6060868662.

The spelling of 6503663056 in words is "six billion, five hundred three million, six hundred sixty-three thousand, fifty-six".