5660666201 has 2 divisors, whose sum is σ = 5660666202. Its totient is φ = 5660666200.

The previous prime is 5660666197. The next prime is 5660666213. The reversal of 5660666201 is 1026660665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5595040000 + 65626201 = 74800^2 + 8101^2 .

It is a cyclic number.

It is not a de Polignac number, because 5660666201 - 2² = 5660666197 is a prime.

It is not a weakly prime, because it can be changed into another prime (5660666701) 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 as a sum of consecutive naturals, namely, 2830333100 + 2830333101.

It is an arithmetic number, because the mean of its divisors is an integer number (2830333101).

Almost surely, 2^5660666201 is an apocalyptic number.

It is an amenable number.

5660666201 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660666201 is an equidigital number, since it uses as much as digits as its factorization.

5660666201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5660666201 is about 75237.3989515852. The cubic root of 5660666201 is about 1782.1975762429.

The spelling of 5660666201 in words is "five billion, six hundred sixty million, six hundred sixty-six thousand, two hundred one".