28282802165161 has 2 divisors, whose sum is σ = 28282802165162. Its totient is φ = 28282802165160.

The previous prime is 28282802165159. The next prime is 28282802165201. The reversal of 28282802165161 is 16156120828282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17833222243600 + 10449579921561 = 4222940^2 + 3232581^2 .

It is a cyclic number.

It is not a de Polignac number, because 28282802165161 - 2¹ = 28282802165159 is a prime.

Together with 28282802165159, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28282802165099 and 28282802165108.

It is not a weakly prime, because it can be changed into another prime (28282802165461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141401082580 + 14141401082581.

It is an arithmetic number, because the mean of its divisors is an integer number (14141401082581).

Almost surely, 2^{28282802165161} is an apocalyptic number.

It is an amenable number.

28282802165161 is a deficient number, since it is larger than the sum of its proper divisors (1).

28282802165161 is an equidigital number, since it uses as much as digits as its factorization.

28282802165161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 28282802165161 in words is "twenty-eight trillion, two hundred eighty-two billion, eight hundred two million, one hundred sixty-five thousand, one hundred sixty-one".