6278612640618 has 16 divisors (see below), whose sum is σ = 12557252357280. Its totient is φ = 2092866367536.

The previous prime is 6278612640589. The next prime is 6278612640637. The reversal of 6278612640618 is 8160462168726.

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, 3112621 + ... + 4716527.

It is an arithmetic number, because the mean of its divisors is an integer number (784828272330).

Almost surely, 2^{6278612640618} is an apocalyptic number.

6278612640618 is an abundant number, since it is smaller than the sum of its proper divisors (6278639716662).

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

6278612640618 is a wasteful number, since it uses less digits than its factorization.

6278612640618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256341.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 6278612640618 in words is "six trillion, two hundred seventy-eight billion, six hundred twelve million, six hundred forty thousand, six hundred eighteen".