65808775163 has 2 divisors, whose sum is σ = 65808775164. Its totient is φ = 65808775162.

The previous prime is 65808775127. The next prime is 65808775181. The reversal of 65808775163 is 36157780856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65808775163 - 2¹⁰ = 65808774139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65808775099 and 65808775108.

It is not a weakly prime, because it can be changed into another prime (65808778163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32904387581 + 32904387582.

It is an arithmetic number, because the mean of its divisors is an integer number (32904387582).

Almost surely, 2^65808775163 is an apocalyptic number.

65808775163 is a deficient number, since it is larger than the sum of its proper divisors (1).

65808775163 is an equidigital number, since it uses as much as digits as its factorization.

65808775163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 65808775163 in words is "sixty-five billion, eight hundred eight million, seven hundred seventy-five thousand, one hundred sixty-three".