224565161565461 has 2 divisors, whose sum is σ = 224565161565462. Its totient is φ = 224565161565460.

The previous prime is 224565161565391. The next prime is 224565161565467. The reversal of 224565161565461 is 164565161565422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209569602357361 + 14995559208100 = 14476519^2 + 3872410^2 .

It is a cyclic number.

It is not a de Polignac number, because 224565161565461 - 2¹⁰ = 224565161564437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224565161565461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224565161565467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112282580782730 + 112282580782731.

It is an arithmetic number, because the mean of its divisors is an integer number (112282580782731).

Almost surely, 2^{224565161565461} is an apocalyptic number.

It is an amenable number.

224565161565461 is a deficient number, since it is larger than the sum of its proper divisors (1).

224565161565461 is an equidigital number, since it uses as much as digits as its factorization.

224565161565461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840000, while the sum is 59.

The spelling of 224565161565461 in words is "two hundred twenty-four trillion, five hundred sixty-five billion, one hundred sixty-one million, five hundred sixty-five thousand, four hundred sixty-one".