6578065768 has 16 divisors (see below), whose sum is σ = 12352542660. Its totient is φ = 3284054400.

The previous prime is 6578065763. The next prime is 6578065787. The reversal of 6578065768 is 8675608756.

It can be written as a sum of positive squares in 2 ways, for example, as 6438778564 + 139287204 = 80242^2 + 11802^2 .

It is not an unprimeable number, because it can be changed into a prime (6578065763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616693 + ... + 627268.

Almost surely, 2^6578065768 is an apocalyptic number.

It is an amenable number.

6578065768 is a deficient number, since it is larger than the sum of its proper divisors (5774476892).

6578065768 is a wasteful number, since it uses less digits than its factorization.

6578065768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244628 (or 1244624 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The square root of 6578065768 is about 81105.2758333267. The cubic root of 6578065768 is about 1873.6971825979.

The spelling of 6578065768 in words is "six billion, five hundred seventy-eight million, sixty-five thousand, seven hundred sixty-eight".