12566673108 has 72 divisors (see below), whose sum is σ = 34683719616. Its totient is φ = 3804768000.

The previous prime is 12566673103. The next prime is 12566673167. The reversal of 12566673108 is 80137666521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12566673103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462385 + ... + 488807.

It is an arithmetic number, because the mean of its divisors is an integer number (481718328).

Almost surely, 2^12566673108 is an apocalyptic number.

12566673108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12566673108 is an abundant number, since it is smaller than the sum of its proper divisors (22117046508).

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

12566673108 is a wasteful number, since it uses less digits than its factorization.

12566673108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27645 (or 27640 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12566673108 in words is "twelve billion, five hundred sixty-six million, six hundred seventy-three thousand, one hundred eight".