12660726160 has 40 divisors (see below), whose sum is σ = 29457489600. Its totient is φ = 5060625792.

The previous prime is 12660726137. The next prime is 12660726227. The reversal of 12660726160 is 6162706621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 55359 + ... + 168481.

It is an arithmetic number, because the mean of its divisors is an integer number (736437240).

Almost surely, 2^12660726160 is an apocalyptic number.

12660726160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12660726160 is an abundant number, since it is smaller than the sum of its proper divisors (16796763440).

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

12660726160 is a wasteful number, since it uses less digits than its factorization.

12660726160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114535 (or 114529 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12660726160 in words is "twelve billion, six hundred sixty million, seven hundred twenty-six thousand, one hundred sixty".