4023666081 has 12 divisors (see below), whose sum is σ = 6117855120. Its totient is φ = 2541262680.

The previous prime is 4023666061. The next prime is 4023666107. The reversal of 4023666081 is 1806663204.

It is not a de Polignac number, because 4023666081 - 2²⁶ = 3956557217 is a prime.

It is a super-2 number, since 2×4023666081² = 32379777462779797122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4023666061) 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 11 ways as a sum of consecutive naturals, for example, 11764935 + ... + 11765276.

It is an arithmetic number, because the mean of its divisors is an integer number (509821260).

Almost surely, 2^4023666081 is an apocalyptic number.

It is an amenable number.

4023666081 is a deficient number, since it is larger than the sum of its proper divisors (2094189039).

4023666081 is a wasteful number, since it uses less digits than its factorization.

4023666081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23530236 (or 23530233 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 4023666081 is about 63432.3740766495. The cubic root of 4023666081 is about 1590.5255281933.

The spelling of 4023666081 in words is "four billion, twenty-three million, six hundred sixty-six thousand, eighty-one".