2166416344611 has 32 divisors (see below), whose sum is σ = 3270233459520. Its totient is φ = 1416952922112.

The previous prime is 2166416344601. The next prime is 2166416344619. The reversal of 2166416344611 is 1164436146612.

2166416344611 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 4 + 1 + 634 + 4 + 6 + 1 + 1 = 666.

It is not a de Polignac number, because 2166416344611 - 2¹⁰ = 2166416343587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2166416344619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46136301 + ... + 46183233.

It is an arithmetic number, because the mean of its divisors is an integer number (102194795610).

Almost surely, 2^{2166416344611} is an apocalyptic number.

2166416344611 is a deficient number, since it is larger than the sum of its proper divisors (1103817114909).

2166416344611 is a wasteful number, since it uses less digits than its factorization.

2166416344611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79252 (or 79246 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 2166416344611 in words is "two trillion, one hundred sixty-six billion, four hundred sixteen million, three hundred forty-four thousand, six hundred eleven".