2168055705 has 32 divisors (see below), whose sum is σ = 3656217600. Its totient is φ = 1094012352.

The previous prime is 2168055661. The next prime is 2168055709. The reversal of 2168055705 is 5075508612.

2168055705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2168055705 - 2¹² = 2168051609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2168055709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234582 + ... + 243648.

It is an arithmetic number, because the mean of its divisors is an integer number (114256800).

Almost surely, 2^2168055705 is an apocalyptic number.

It is an amenable number.

2168055705 is a deficient number, since it is larger than the sum of its proper divisors (1488161895).

2168055705 is a wasteful number, since it uses less digits than its factorization.

2168055705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 2168055705 is about 46562.3850871065. The cubic root of 2168055705 is about 1294.2658102386.

The spelling of 2168055705 in words is "two billion, one hundred sixty-eight million, fifty-five thousand, seven hundred five".