12073656366 has 80 divisors (see below), whose sum is σ = 28019511168. Its totient is φ = 3881779200.

The previous prime is 12073656349. The next prime is 12073656367. The reversal of 12073656366 is 66365637021.

12073656366 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 3 + 6 + 5 + 636 + 6 = 666.

12073656366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073656367) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1568046 + ... + 1575726.

Almost surely, 2^12073656366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12073656366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14009755584).

12073656366 is an abundant number, since it is smaller than the sum of its proper divisors (15945854802).

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

12073656366 is a wasteful number, since it uses less digits than its factorization.

12073656366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039 (or 8030 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 12073656366 in words is "twelve billion, seventy-three million, six hundred fifty-six thousand, three hundred sixty-six".