4116661 has 2 divisors, whose sum is σ = 4116662. Its totient is φ = 4116660.

The previous prime is 4116649. The next prime is 4116667. The reversal of 4116661 is 1666114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3976036 + 140625 = 1994^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 4116661 - 2¹¹ = 4114613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4116667) 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 as a sum of consecutive naturals, namely, 2058330 + 2058331.

It is an arithmetic number, because the mean of its divisors is an integer number (2058331).

Almost surely, 2^4116661 is an apocalyptic number.

It is an amenable number.

4116661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4116661 is an equidigital number, since it uses as much as digits as its factorization.

4116661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 4116661 is about 2028.9556426891. The cubic root of 4116661 is about 160.2685723658.

The spelling of 4116661 in words is "four million, one hundred sixteen thousand, six hundred sixty-one".