6555065864 has 32 divisors (see below), whose sum is σ = 12599608320. Its totient is φ = 3195930816.

The previous prime is 6555065857. The next prime is 6555065963. The reversal of 6555065864 is 4685605556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21689 + ... + 116535.

It is an arithmetic number, because the mean of its divisors is an integer number (393737760).

Almost surely, 2^6555065864 is an apocalyptic number.

It is an amenable number.

6555065864 is a deficient number, since it is larger than the sum of its proper divisors (6044542456).

6555065864 is a wasteful number, since it uses less digits than its factorization.

6555065864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95069 (or 95065 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 50.

The square root of 6555065864 is about 80963.3612444543. The cubic root of 6555065864 is about 1871.5108671961.

The spelling of 6555065864 in words is "six billion, five hundred fifty-five million, sixty-five thousand, eight hundred sixty-four".