5521606161223 has 2 divisors, whose sum is σ = 5521606161224. Its totient is φ = 5521606161222.

The previous prime is 5521606161221. The next prime is 5521606161257. The reversal of 5521606161223 is 3221616061255.

5521606161223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5521606161223 - 2¹ = 5521606161221 is a prime.

Together with 5521606161221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521606161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760803080611 + 2760803080612.

It is an arithmetic number, because the mean of its divisors is an integer number (2760803080612).

Almost surely, 2^{5521606161223} is an apocalyptic number.

5521606161223 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521606161223 is an equidigital number, since it uses as much as digits as its factorization.

5521606161223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 5521606161223 in words is "five trillion, five hundred twenty-one billion, six hundred six million, one hundred sixty-one thousand, two hundred twenty-three".