2168064811 has 12 divisors (see below), whose sum is σ = 2385199656. Its totient is φ = 1969214720.

The previous prime is 2168064761. The next prime is 2168064823. The reversal of 2168064811 is 1184608612.

It is not a de Polignac number, because 2168064811 - 2¹¹ = 2168062763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168064851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139896 + ... + 154618.

It is an arithmetic number, because the mean of its divisors is an integer number (198766638).

Almost surely, 2^2168064811 is an apocalyptic number.

2168064811 is a deficient number, since it is larger than the sum of its proper divisors (217134845).

2168064811 is a wasteful number, since it uses less digits than its factorization.

2168064811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962 (or 15951 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2168064811 is about 46562.4828697955. The cubic root of 2168064811 is about 1294.2676222413.

The spelling of 2168064811 in words is "two billion, one hundred sixty-eight million, sixty-four thousand, eight hundred eleven".