16111716205 has 8 divisors (see below), whose sum is σ = 20821294872. Its totient is φ = 11897882688.

The previous prime is 16111716163. The next prime is 16111716217. The reversal of 16111716205 is 50261711161.

16111716205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 359709156 + 15752007049 = 18966^2 + 125507^2 .

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 16111716205 - 2¹³ = 16111708013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123936214 + ... + 123936343.

It is an arithmetic number, because the mean of its divisors is an integer number (2602661859).

Almost surely, 2^16111716205 is an apocalyptic number.

It is an amenable number.

16111716205 is a deficient number, since it is larger than the sum of its proper divisors (4709578667).

16111716205 is a wasteful number, since it uses less digits than its factorization.

16111716205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247872575.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 16111716205 in words is "sixteen billion, one hundred eleven million, seven hundred sixteen thousand, two hundred five".