16660255043606 has 8 divisors (see below), whose sum is σ = 25170169490760. Its totient is φ = 8270198546688.

The previous prime is 16660255043563. The next prime is 16660255043629. The reversal of 16660255043606 is 60634055206661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16660255043606² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29964487211 + ... + 29964487766.

It is an arithmetic number, because the mean of its divisors is an integer number (3146271186345).

Almost surely, 2^{16660255043606} is an apocalyptic number.

16660255043606 is a deficient number, since it is larger than the sum of its proper divisors (8509914447154).

16660255043606 is a wasteful number, since it uses less digits than its factorization.

16660255043606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59928975118.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 16660255043606 in words is "sixteen trillion, six hundred sixty billion, two hundred fifty-five million, forty-three thousand, six hundred six".