344160131561 has 2 divisors, whose sum is σ = 344160131562. Its totient is φ = 344160131560.

The previous prime is 344160131501. The next prime is 344160131569. The reversal of 344160131561 is 165131061443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221130360025 + 123029771536 = 470245^2 + 350756^2 .

It is a cyclic number.

It is not a de Polignac number, because 344160131561 - 2³⁸ = 69282224617 is a prime.

It is not a weakly prime, because it can be changed into another prime (344160131569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172080065780 + 172080065781.

It is an arithmetic number, because the mean of its divisors is an integer number (172080065781).

Almost surely, 2^344160131561 is an apocalyptic number.

It is an amenable number.

344160131561 is a deficient number, since it is larger than the sum of its proper divisors (1).

344160131561 is an equidigital number, since it uses as much as digits as its factorization.

344160131561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 344160131561 in words is "three hundred forty-four billion, one hundred sixty million, one hundred thirty-one thousand, five hundred sixty-one".