16616606606 has 8 divisors (see below), whose sum is σ = 24998872080. Its totient is φ = 8283649248.

The previous prime is 16616606603. The next prime is 16616606627. The reversal of 16616606606 is 60660661661.

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

It is a super-2 number, since 2×16616606606² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616606603) 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, 12326186 + ... + 12327533.

It is an arithmetic number, because the mean of its divisors is an integer number (3124859010).

Almost surely, 2^16616606606 is an apocalyptic number.

16616606606 is a deficient number, since it is larger than the sum of its proper divisors (8382265474).

16616606606 is a wasteful number, since it uses less digits than its factorization.

16616606606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24654058.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 16616606606 in words is "sixteen billion, six hundred sixteen million, six hundred six thousand, six hundred six".