12066664363 has 16 divisors (see below), whose sum is σ = 13568163840. Its totient is φ = 10647657504.

The previous prime is 12066664327. The next prime is 12066664369. The reversal of 12066664363 is 36346666021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12066664363 - 2¹⁷ = 12066533291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066664369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514470 + ... + 537412.

It is an arithmetic number, because the mean of its divisors is an integer number (848010240).

Almost surely, 2^12066664363 is an apocalyptic number.

12066664363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12066664363 is a deficient number, since it is larger than the sum of its proper divisors (1501499477).

12066664363 is a wasteful number, since it uses less digits than its factorization.

12066664363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 12066664363 in words is "twelve billion, sixty-six million, six hundred sixty-four thousand, three hundred sixty-three".