4568166081 has 24 divisors (see below), whose sum is σ = 6804345600. Its totient is φ = 2951680896.

The previous prime is 4568166077. The next prime is 4568166133. The reversal of 4568166081 is 1806618654.

4568166081 is a `hidden beast` number, since 4 + 568 + 1 + 6 + 6 + 0 + 81 = 666.

It is not a de Polignac number, because 4568166081 - 2² = 4568166077 is a prime.

It is a super-2 number, since 2×4568166081² = 41736282687197797122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4568166481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8856 + ... + 95993.

It is an arithmetic number, because the mean of its divisors is an integer number (283514400).

Almost surely, 2^4568166081 is an apocalyptic number.

It is an amenable number.

4568166081 is a deficient number, since it is larger than the sum of its proper divisors (2236179519).

4568166081 is a wasteful number, since it uses less digits than its factorization.

4568166081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005 (or 105002 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4568166081 is about 67588.2096300827. The cubic root of 4568166081 is about 1659.2581580258.

The spelling of 4568166081 in words is "four billion, five hundred sixty-eight million, one hundred sixty-six thousand, eighty-one".