12664625180 has 24 divisors (see below), whose sum is σ = 27995488080. Its totient is φ = 4799226240.

The previous prime is 12664625131. The next prime is 12664625191. The reversal of 12664625180 is 8152646621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16663601 + ... + 16664360.

It is an arithmetic number, because the mean of its divisors is an integer number (1166478670).

Almost surely, 2^12664625180 is an apocalyptic number.

12664625180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12664625180 is an abundant number, since it is smaller than the sum of its proper divisors (15330862900).

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

12664625180 is a wasteful number, since it uses less digits than its factorization.

12664625180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33327989 (or 33327987 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12664625180 in words is "twelve billion, six hundred sixty-four million, six hundred twenty-five thousand, one hundred eighty".