2168639082211 has 8 divisors (see below), whose sum is σ = 2478468317024. Its totient is φ = 1858815760320.

The previous prime is 2168639082209. The next prime is 2168639082221. The reversal of 2168639082211 is 1122809368612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2168639082211 - 2¹ = 2168639082209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2168639082221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662280 + ... + 2185381.

It is an arithmetic number, because the mean of its divisors is an integer number (309808539628).

Almost surely, 2^{2168639082211} is an apocalyptic number.

2168639082211 is a deficient number, since it is larger than the sum of its proper divisors (309829234813).

2168639082211 is a wasteful number, since it uses less digits than its factorization.

2168639082211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956461.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 2168639082211 in words is "two trillion, one hundred sixty-eight billion, six hundred thirty-nine million, eighty-two thousand, two hundred eleven".