16661130307204 has 12 divisors (see below), whose sum is σ = 30691555829200. Its totient is φ = 7892114356008.

The previous prime is 16661130307189. The next prime is 16661130307249. The reversal of 16661130307204 is 40270303116661.

It is a super-2 number, since 2×16661130307204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109612699314 + ... + 109612699465.

Almost surely, 2^{16661130307204} is an apocalyptic number.

It is an amenable number.

16661130307204 is a deficient number, since it is larger than the sum of its proper divisors (14030425521996).

16661130307204 is a wasteful number, since it uses less digits than its factorization.

16661130307204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219225398802 (or 219225398800 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 16661130307204 in words is "sixteen trillion, six hundred sixty-one billion, one hundred thirty million, three hundred seven thousand, two hundred four".