3666105617 has 2 divisors, whose sum is σ = 3666105618. Its totient is φ = 3666105616.

The previous prime is 3666105529. The next prime is 3666105683. The reversal of 3666105617 is 7165016663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3058532416 + 607573201 = 55304^2 + 24649^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666105617 - 2¹⁸ = 3665843473 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666105697) 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, 1833052808 + 1833052809.

It is an arithmetic number, because the mean of its divisors is an integer number (1833052809).

Almost surely, 2^3666105617 is an apocalyptic number.

It is an amenable number.

3666105617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666105617 is an equidigital number, since it uses as much as digits as its factorization.

3666105617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 3666105617 is about 60548.3741895685. The cubic root of 3666105617 is about 1541.9430156481.

The spelling of 3666105617 in words is "three billion, six hundred sixty-six million, one hundred five thousand, six hundred seventeen".