1116162116161 has 16 divisors (see below), whose sum is σ = 1130497477200. Its totient is φ = 1101893760000.

The previous prime is 1116162116159. The next prime is 1116162116189. The reversal of 1116162116161 is 1616112616111.

It can be written as a sum of positive squares in 8 ways, for example, as 909269045136 + 206893071025 = 953556^2 + 454855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116162116161 - 2¹ = 1116162116159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116162116101) 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, 112727311 + ... + 112737211.

It is an arithmetic number, because the mean of its divisors is an integer number (70656092325).

Almost surely, 2^{1116162116161} is an apocalyptic number.

It is an amenable number.

1116162116161 is a deficient number, since it is larger than the sum of its proper divisors (14335361039).

1116162116161 is a wasteful number, since it uses less digits than its factorization.

1116162116161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140.

The product of its digits is 2592, while the sum is 34.

The spelling of 1116162116161 in words is "one trillion, one hundred sixteen billion, one hundred sixty-two million, one hundred sixteen thousand, one hundred sixty-one".