2598161617 has 2 divisors, whose sum is σ = 2598161618. Its totient is φ = 2598161616.

The previous prime is 2598161611. The next prime is 2598161641. The reversal of 2598161617 is 7161618952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2223971281 + 374190336 = 47159^2 + 19344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598161617 - 2¹⁵ = 2598128849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2598161611) 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, 1299080808 + 1299080809.

It is an arithmetic number, because the mean of its divisors is an integer number (1299080809).

Almost surely, 2^2598161617 is an apocalyptic number.

It is an amenable number.

2598161617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598161617 is an equidigital number, since it uses as much as digits as its factorization.

2598161617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 2598161617 is about 50972.1651197985. The cubic root of 2598161617 is about 1374.7447005017.

The spelling of 2598161617 in words is "two billion, five hundred ninety-eight million, one hundred sixty-one thousand, six hundred seventeen".