5166560669 has 2 divisors, whose sum is σ = 5166560670. Its totient is φ = 5166560668.

The previous prime is 5166560611. The next prime is 5166560713. The reversal of 5166560669 is 9660656615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4986195769 + 180364900 = 70613^2 + 13430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166560669 - 2¹⁶ = 5166495133 is a prime.

It is a super-3 number, since 3×5166560669³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5166560369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583280334 + 2583280335.

It is an arithmetic number, because the mean of its divisors is an integer number (2583280335).

Almost surely, 2^5166560669 is an apocalyptic number.

It is an amenable number.

5166560669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166560669 is an equidigital number, since it uses as much as digits as its factorization.

5166560669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The square root of 5166560669 is about 71878.7915104309. The cubic root of 5166560669 is about 1728.7565735145.

The spelling of 5166560669 in words is "five billion, one hundred sixty-six million, five hundred sixty thousand, six hundred sixty-nine".