2768162081 has 16 divisors (see below), whose sum is σ = 2884800000. Its totient is φ = 2653344000.

The previous prime is 2768162077. The next prime is 2768162083. The reversal of 2768162081 is 1802618672.

It is a cyclic number.

It is not a de Polignac number, because 2768162081 - 2² = 2768162077 is a prime.

It is a super-2 number, since 2×2768162081² = 15325442613372501122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2768162083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304281 + ... + 2305481.

It is an arithmetic number, because the mean of its divisors is an integer number (180300000).

Almost surely, 2^2768162081 is an apocalyptic number.

It is an amenable number.

2768162081 is a deficient number, since it is larger than the sum of its proper divisors (116637919).

2768162081 is a wasteful number, since it uses less digits than its factorization.

2768162081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 2768162081 is about 52613.3260780955. The cubic root of 2768162081 is about 1404.0971950324.

The spelling of 2768162081 in words is "two billion, seven hundred sixty-eight million, one hundred sixty-two thousand, eighty-one".