2112166162149 has 16 divisors (see below), whose sum is σ = 2836355403840. Its totient is φ = 1398057747840.

The previous prime is 2112166162111. The next prime is 2112166162189. The reversal of 2112166162149 is 9412616612112.

It is not a de Polignac number, because 2112166162149 - 2⁷ = 2112166162021 is a prime.

It is a super-2 number, since 2×2112166162149² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112166162149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112166162189) 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, 1128744 + ... + 2344865.

It is an arithmetic number, because the mean of its divisors is an integer number (177272212740).

Almost surely, 2^{2112166162149} is an apocalyptic number.

It is an amenable number.

2112166162149 is a deficient number, since it is larger than the sum of its proper divisors (724189241691).

2112166162149 is a wasteful number, since it uses less digits than its factorization.

2112166162149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475060.

The product of its digits is 62208, while the sum is 42.

The spelling of 2112166162149 in words is "two trillion, one hundred twelve billion, one hundred sixty-six million, one hundred sixty-two thousand, one hundred forty-nine".