11666630204 has 12 divisors (see below), whose sum is σ = 20422406424. Its totient is φ = 5831656944.

The previous prime is 11666630201. The next prime is 11666630219. The reversal of 11666630204 is 40203666611.

It is a super-2 number, since 2×11666630204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666630201) 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, 398642 + ... + 426905.

It is an arithmetic number, because the mean of its divisors is an integer number (1701867202).

Almost surely, 2^11666630204 is an apocalyptic number.

It is an amenable number.

11666630204 is a deficient number, since it is larger than the sum of its proper divisors (8755776220).

11666630204 is a wasteful number, since it uses less digits than its factorization.

11666630204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829084 (or 829082 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 11666630204 in words is "eleven billion, six hundred sixty-six million, six hundred thirty thousand, two hundred four".