16606206000161 has 4 divisors (see below), whose sum is σ = 17178833793300. Its totient is φ = 16033578207024.

The previous prime is 16606206000149. The next prime is 16606206000217. The reversal of 16606206000161 is 16100060260661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6950768417761 + 9655437582400 = 2636431^2 + 3107320^2 .

It is a cyclic number.

It is not a de Polignac number, because 16606206000161 - 2²² = 16606201805857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16606206000961) 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, 286313896526 + ... + 286313896583.

It is an arithmetic number, because the mean of its divisors is an integer number (4294708448325).

Almost surely, 2^{16606206000161} is an apocalyptic number.

It is an amenable number.

16606206000161 is a deficient number, since it is larger than the sum of its proper divisors (572627793139).

16606206000161 is an equidigital number, since it uses as much as digits as its factorization.

16606206000161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572627793138.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 16606206000161 in words is "sixteen trillion, six hundred six billion, two hundred six million, one hundred sixty-one", and thus it is an aban number.