12066616156 has 12 divisors (see below), whose sum is σ = 24133232368. Its totient is φ = 5171406912.

The previous prime is 12066616153. The next prime is 12066616169. The reversal of 12066616156 is 65161666021.

12066616156 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066616153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215475261 + ... + 215475316.

Almost surely, 2^12066616156 is an apocalyptic number.

It is an amenable number.

12066616156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12066616156 is a wasteful number, since it uses less digits than its factorization.

12066616156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430950588 (or 430950586 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 12066616156 in words is "twelve billion, sixty-six million, six hundred sixteen thousand, one hundred fifty-six".