6501208568 has 24 divisors (see below), whose sum is σ = 12865105080. Its totient is φ = 3079518480.

The previous prime is 6501208537. The next prime is 6501208573. The reversal of 6501208568 is 8658021056.

It is a super-2 number, since 2×6501208568² = 84531425689273221248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1122668 + ... + 1128443.

It is an arithmetic number, because the mean of its divisors is an integer number (536046045).

Almost surely, 2^6501208568 is an apocalyptic number.

It is an amenable number.

6501208568 is a deficient number, since it is larger than the sum of its proper divisors (6363896512).

6501208568 is a wasteful number, since it uses less digits than its factorization.

6501208568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251155 (or 2251132 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 6501208568 is about 80630.0723551703. The cubic root of 6501208568 is about 1866.3712377417.

The spelling of 6501208568 in words is "six billion, five hundred one million, two hundred eight thousand, five hundred sixty-eight".