16611110610005 has 8 divisors (see below), whose sum is σ = 20799999372672. Its totient is φ = 12711110727568.

The previous prime is 16611110609963. The next prime is 16611110610041. The reversal of 16611110610005 is 50001601111661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16611110610005 - 2⁶ = 16611110609941 is a prime.

It is a super-2 number, since 2×16611110610005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16611110610005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72222219929 + ... + 72222220158.

It is an arithmetic number, because the mean of its divisors is an integer number (2599999921584).

Almost surely, 2^{16611110610005} is an apocalyptic number.

It is an amenable number.

16611110610005 is a deficient number, since it is larger than the sum of its proper divisors (4188888762667).

16611110610005 is a wasteful number, since it uses less digits than its factorization.

16611110610005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144444440115.

The product of its (nonzero) digits is 1080, while the sum is 29.

Adding to 16611110610005 its reverse (50001601111661), we get a palindrome (66612711721666).

The spelling of 16611110610005 in words is "sixteen trillion, six hundred eleven billion, one hundred ten million, six hundred ten thousand, five".