166560412224013 has 2 divisors, whose sum is σ = 166560412224014. Its totient is φ = 166560412224012.

The previous prime is 166560412224001. The next prime is 166560412224047. The reversal of 166560412224013 is 310422214065661.

166560412224013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156256325064009 + 10304087160004 = 12500253^2 + 3209998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166560412224013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166560413224013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83280206112006 + 83280206112007.

It is an arithmetic number, because the mean of its divisors is an integer number (83280206112007).

Almost surely, 2^{166560412224013} is an apocalyptic number.

It is an amenable number.

166560412224013 is a deficient number, since it is larger than the sum of its proper divisors (1).

166560412224013 is an equidigital number, since it uses as much as digits as its factorization.

166560412224013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

Adding to 166560412224013 its reverse (310422214065661), we get a palindrome (476982626289674).

The spelling of 166560412224013 in words is "one hundred sixty-six trillion, five hundred sixty billion, four hundred twelve million, two hundred twenty-four thousand, thirteen".