798533606161 has 2 divisors, whose sum is σ = 798533606162. Its totient is φ = 798533606160.

The previous prime is 798533606113. The next prime is 798533606201. The reversal of 798533606161 is 161606335897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 576050640400 + 222482965761 = 758980^2 + 471681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798533606161 is a prime.

It is not a weakly prime, because it can be changed into another prime (798533606561) 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, 399266803080 + 399266803081.

It is an arithmetic number, because the mean of its divisors is an integer number (399266803081).

Almost surely, 2^798533606161 is an apocalyptic number.

It is an amenable number.

798533606161 is a deficient number, since it is larger than the sum of its proper divisors (1).

798533606161 is an equidigital number, since it uses as much as digits as its factorization.

798533606161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 798533606161 in words is "seven hundred ninety-eight billion, five hundred thirty-three million, six hundred six thousand, one hundred sixty-one".