6128765918 has 24 divisors (see below), whose sum is σ = 10113277440. Its totient is φ = 2783484000.

The previous prime is 6128765917. The next prime is 6128765927. The reversal of 6128765918 is 8195678216.

It is a self number, because there is not a number n which added to its sum of digits gives 6128765918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6128765917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299618 + ... + 319418.

It is an arithmetic number, because the mean of its divisors is an integer number (421386560).

Almost surely, 2^6128765918 is an apocalyptic number.

6128765918 is a deficient number, since it is larger than the sum of its proper divisors (3984511522).

6128765918 is a wasteful number, since it uses less digits than its factorization.

6128765918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104 (or 21093 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The square root of 6128765918 is about 78286.4350829695. The cubic root of 6128765918 is about 1830.0277617296.

The spelling of 6128765918 in words is "six billion, one hundred twenty-eight million, seven hundred sixty-five thousand, nine hundred eighteen".