12066654660 has 48 divisors (see below), whose sum is σ = 34951694400. Its totient is φ = 3106816384.

The previous prime is 12066654659. The next prime is 12066654701. The reversal of 12066654660 is 6645666021.

It is a happy number.

12066654660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465690 + ... + 3469169.

It is an arithmetic number, because the mean of its divisors is an integer number (728160300).

Almost surely, 2^12066654660 is an apocalyptic number.

12066654660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12066654660 is an abundant number, since it is smaller than the sum of its proper divisors (22885039740).

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

12066654660 is a wasteful number, since it uses less digits than its factorization.

12066654660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934900 (or 6934898 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 12066654660 in words is "twelve billion, sixty-six million, six hundred fifty-four thousand, six hundred sixty".