5666670697 has 2 divisors, whose sum is σ = 5666670698. Its totient is φ = 5666670696.

The previous prime is 5666670679. The next prime is 5666670719. The reversal of 5666670697 is 7960766665.

Together with previous prime (5666670679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198554201 + 468116496 = 72101^2 + 21636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666670697 - 2¹¹ = 5666668649 is a prime.

It is a super-2 number, since 2×5666670697² = 64222313576476931618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5666677697) 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, 2833335348 + 2833335349.

It is an arithmetic number, because the mean of its divisors is an integer number (2833335349).

Almost surely, 2^5666670697 is an apocalyptic number.

It is an amenable number.

5666670697 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666670697 is an equidigital number, since it uses as much as digits as its factorization.

5666670697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The square root of 5666670697 is about 75277.2920408273. The cubic root of 5666670697 is about 1782.8275030829.

The spelling of 5666670697 in words is "five billion, six hundred sixty-six million, six hundred seventy thousand, six hundred ninety-seven".