544022000161 has 2 divisors, whose sum is σ = 544022000162. Its totient is φ = 544022000160.

The previous prime is 544022000141. The next prime is 544022000201. The reversal of 544022000161 is 161000220445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467801281600 + 76220718561 = 683960^2 + 276081^2 .

It is a cyclic number.

It is not a de Polignac number, because 544022000161 - 2⁷ = 544022000033 is a prime.

It is not a weakly prime, because it can be changed into another prime (544022000141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272011000080 + 272011000081.

It is an arithmetic number, because the mean of its divisors is an integer number (272011000081).

Almost surely, 2^544022000161 is an apocalyptic number.

It is an amenable number.

544022000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

544022000161 is an equidigital number, since it uses as much as digits as its factorization.

544022000161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 544022000161 in words is "five hundred forty-four billion, twenty-two million, one hundred sixty-one", and thus it is an aban number.