6506310663 has 24 divisors (see below), whose sum is σ = 9789864448. Its totient is φ = 4318053624.

The previous prime is 6506310653. The next prime is 6506310667. The reversal of 6506310663 is 3660136056.

It is a happy number.

It is not a de Polignac number, because 6506310663 - 2⁴ = 6506310647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506310667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5845 + ... + 114222.

Almost surely, 2^6506310663 is an apocalyptic number.

6506310663 is a deficient number, since it is larger than the sum of its proper divisors (3283553785).

6506310663 is a wasteful number, since it uses less digits than its factorization.

6506310663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120305 (or 120293 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 6506310663 is about 80661.7050588444. The cubic root of 6506310663 is about 1866.8593476735.

The spelling of 6506310663 in words is "six billion, five hundred six million, three hundred ten thousand, six hundred sixty-three".