5666212606157 has 2 divisors, whose sum is σ = 5666212606158. Its totient is φ = 5666212606156.

The previous prime is 5666212606129. The next prime is 5666212606199. The reversal of 5666212606157 is 7516062126665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4804399307236 + 861813298921 = 2191894^2 + 928339^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666212606157 - 2¹⁰ = 5666212605133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5666212606099 and 5666212606108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666212606057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833106303078 + 2833106303079.

It is an arithmetic number, because the mean of its divisors is an integer number (2833106303079).

Almost surely, 2^{5666212606157} is an apocalyptic number.

It is an amenable number.

5666212606157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666212606157 is an equidigital number, since it uses as much as digits as its factorization.

5666212606157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 5666212606157 in words is "five trillion, six hundred sixty-six billion, two hundred twelve million, six hundred six thousand, one hundred fifty-seven".