11666606066003 has 24 divisors (see below), whose sum is σ = 14377455160992. Its totient is φ = 9406618900224.

The previous prime is 11666606065981. The next prime is 11666606066117. The reversal of 11666606066003 is 30066060666611.

It is a happy number.

11666606066003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11666606066003 - 2³² = 11662311098707 is a prime.

It is a super-2 number, since 2×11666606066003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666606066903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2252876 + ... + 5329977.

It is an arithmetic number, because the mean of its divisors is an integer number (599060631708).

Almost surely, 2^{11666606066003} is an apocalyptic number.

11666606066003 is a deficient number, since it is larger than the sum of its proper divisors (2710849094989).

11666606066003 is a wasteful number, since it uses less digits than its factorization.

11666606066003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584731 (or 7584724 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 11666606066003 in words is "eleven trillion, six hundred sixty-six billion, six hundred six million, sixty-six thousand, three".