618828776238468 has 12 divisors (see below), whose sum is σ = 1443933811223120. Its totient is φ = 206276258746152.

The previous prime is 618828776238461. The next prime is 618828776238577. The reversal of 618828776238468 is 864832677828816.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (618828776238461) 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, 25784532343258 + ... + 25784532343281.

Almost surely, 2^{618828776238468} is an apocalyptic number.

It is an amenable number.

618828776238468 is an abundant number, since it is smaller than the sum of its proper divisors (825105034984652).

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

618828776238468 is a wasteful number, since it uses less digits than its factorization.

618828776238468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51569064686546 (or 51569064686544 counting only the distinct ones).

The product of its digits is 16647192576, while the sum is 84.

The spelling of 618828776238468 in words is "six hundred eighteen trillion, eight hundred twenty-eight billion, seven hundred seventy-six million, two hundred thirty-eight thousand, four hundred sixty-eight".