2166059311 has 18 divisors (see below), whose sum is σ = 2424928608. Its totient is φ = 1931932080.

The previous prime is 2166059303. The next prime is 2166059333. The reversal of 2166059311 is 1139506612.

It is not a de Polignac number, because 2166059311 - 2³ = 2166059303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166059341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3368356 + ... + 3368998.

It is an arithmetic number, because the mean of its divisors is an integer number (134718256).

Almost surely, 2^2166059311 is an apocalyptic number.

2166059311 is a deficient number, since it is larger than the sum of its proper divisors (258869297).

2166059311 is an frugal number, since it uses more digits than its factorization.

2166059311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2166059311 is about 46540.9423088962. The cubic root of 2166059311 is about 1293.8684253081.

The spelling of 2166059311 in words is "two billion, one hundred sixty-six million, fifty-nine thousand, three hundred eleven".