4102066081 has 2 divisors, whose sum is σ = 4102066082. Its totient is φ = 4102066080.

The previous prime is 4102066057. The next prime is 4102066093. The reversal of 4102066081 is 1806602014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3631870225 + 470195856 = 60265^2 + 21684^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102066081 - 2⁵ = 4102066049 is a prime.

It is a super-2 number, since 2×4102066081² = 33653892265781397122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4102066021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051033040 + 2051033041.

It is an arithmetic number, because the mean of its divisors is an integer number (2051033041).

Almost surely, 2^4102066081 is an apocalyptic number.

It is an amenable number.

4102066081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102066081 is an equidigital number, since it uses as much as digits as its factorization.

4102066081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4102066081 is about 64047.3737244549. The cubic root of 4102066081 is about 1600.7894646987.

Adding to 4102066081 its reverse (1806602014), we get a palindrome (5908668095).

The spelling of 4102066081 in words is "four billion, one hundred two million, sixty-six thousand, eighty-one".