618836576430660 has 144 divisors (see below), whose sum is σ = 2030140136969280. Its totient is φ = 140430746131200.

The previous prime is 618836576430649. The next prime is 618836576430673. The reversal of 618836576430660 is 66034675638816.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756744691 + ... + 757562010.

It is an arithmetic number, because the mean of its divisors is an integer number (14098195395620).

Almost surely, 2^{618836576430660} is an apocalyptic number.

618836576430660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

618836576430660 is an abundant number, since it is smaller than the sum of its proper divisors (1411303560538620).

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

618836576430660 is a wasteful number, since it uses less digits than its factorization.

618836576430660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514306866 (or 1514306857 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 69.

The spelling of 618836576430660 in words is "six hundred eighteen trillion, eight hundred thirty-six billion, five hundred seventy-six million, four hundred thirty thousand, six hundred sixty".