2887163885161 has 2 divisors, whose sum is σ = 2887163885162. Its totient is φ = 2887163885160.

The previous prime is 2887163885129. The next prime is 2887163885167. The reversal of 2887163885161 is 1615883617882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2200015730025 + 687148155136 = 1483245^2 + 828944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2887163885161 - 2⁵ = 2887163885129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2887163885093 and 2887163885102.

It is not a weakly prime, because it can be changed into another prime (2887163885167) 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, 1443581942580 + 1443581942581.

It is an arithmetic number, because the mean of its divisors is an integer number (1443581942581).

Almost surely, 2^{2887163885161} is an apocalyptic number.

It is an amenable number.

2887163885161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887163885161 is an equidigital number, since it uses as much as digits as its factorization.

2887163885161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30965760, while the sum is 64.

The spelling of 2887163885161 in words is "two trillion, eight hundred eighty-seven billion, one hundred sixty-three million, eight hundred eighty-five thousand, one hundred sixty-one".