12066817168637 has 16 divisors (see below), whose sum is σ = 15048606883200. Its totient is φ = 9400050051840.

The previous prime is 12066817168597. The next prime is 12066817168699. The reversal of 12066817168637 is 73686171866021.

It is a happy number.

It is not a de Polignac number, because 12066817168637 - 2⁶ = 12066817168573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12066817168637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066817162637) 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, 21931712 + ... + 22475177.

It is an arithmetic number, because the mean of its divisors is an integer number (940537930200).

Almost surely, 2^{12066817168637} is an apocalyptic number.

It is an amenable number.

12066817168637 is a deficient number, since it is larger than the sum of its proper divisors (2981789714563).

12066817168637 is a wasteful number, since it uses less digits than its factorization.

12066817168637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44410436.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 12066817168637 in words is "twelve trillion, sixty-six billion, eight hundred seventeen million, one hundred sixty-eight thousand, six hundred thirty-seven".