5115664566 has 32 divisors (see below), whose sum is σ = 11370691200. Its totient is φ = 1704839400.

The previous prime is 5115664537. The next prime is 5115664571. The reversal of 5115664566 is 6654665115.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337041 + ... + 351891.

It is an arithmetic number, because the mean of its divisors is an integer number (355334100).

Almost surely, 2^5115664566 is an apocalyptic number.

5115664566 is an abundant number, since it is smaller than the sum of its proper divisors (6255026634).

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

5115664566 is a wasteful number, since it uses less digits than its factorization.

5115664566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241 (or 21235 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 5115664566 is about 71523.8740980940. The cubic root of 5115664566 is about 1723.0611349931.

The spelling of 5115664566 in words is "five billion, one hundred fifteen million, six hundred sixty-four thousand, five hundred sixty-six".