2016161113211 has 16 divisors (see below), whose sum is σ = 2320136184000. Its totient is φ = 1716178935168.

The previous prime is 2016161113199. The next prime is 2016161113237. The reversal of 2016161113211 is 1123111616102.

It is a cyclic number.

It is not a de Polignac number, because 2016161113211 - 2²² = 2016156918907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016161113271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4819145 + ... + 5220773.

It is an arithmetic number, because the mean of its divisors is an integer number (145008511500).

Almost surely, 2^{2016161113211} is an apocalyptic number.

2016161113211 is a deficient number, since it is larger than the sum of its proper divisors (303975070789).

2016161113211 is a wasteful number, since it uses less digits than its factorization.

2016161113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406598.

The product of its (nonzero) digits is 432, while the sum is 26.

Adding to 2016161113211 its reverse (1123111616102), we get a palindrome (3139272729313).

The spelling of 2016161113211 in words is "two trillion, sixteen billion, one hundred sixty-one million, one hundred thirteen thousand, two hundred eleven".