12655663116 has 24 divisors (see below), whose sum is σ = 30158177280. Its totient is φ = 4128797712.

The previous prime is 12655663081. The next prime is 12655663123. The reversal of 12655663116 is 61136655621.

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, 11218996 + ... + 11220123.

It is an arithmetic number, because the mean of its divisors is an integer number (1256590720).

Almost surely, 2^12655663116 is an apocalyptic number.

It is an amenable number.

12655663116 is an abundant number, since it is smaller than the sum of its proper divisors (17502514164).

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

12655663116 is a wasteful number, since it uses less digits than its factorization.

12655663116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439173 (or 22439171 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The spelling of 12655663116 in words is "twelve billion, six hundred fifty-five million, six hundred sixty-three thousand, one hundred sixteen".