6568850985 has 16 divisors (see below), whose sum is σ = 10512006336. Its totient is φ = 3502772288.

The previous prime is 6568850947. The next prime is 6568850999. The reversal of 6568850985 is 5890588656.

It is a cyclic number.

It is not a de Polignac number, because 6568850985 - 2¹⁰ = 6568849961 is a prime.

It is a super-3 number, since 3×6568850985³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57622 + ... + 128288.

It is an arithmetic number, because the mean of its divisors is an integer number (657000396).

Almost surely, 2^6568850985 is an apocalyptic number.

It is an amenable number.

6568850985 is a deficient number, since it is larger than the sum of its proper divisors (3943155351).

6568850985 is a wasteful number, since it uses less digits than its factorization.

6568850985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76872.

The product of its (nonzero) digits is 20736000, while the sum is 60.

The square root of 6568850985 is about 81048.4483811997. The cubic root of 6568850985 is about 1872.8218603795.

The spelling of 6568850985 in words is "six billion, five hundred sixty-eight million, eight hundred fifty thousand, nine hundred eighty-five".