73565113306163 has 2 divisors, whose sum is σ = 73565113306164. Its totient is φ = 73565113306162.

The previous prime is 73565113306103. The next prime is 73565113306171. The reversal of 73565113306163 is 36160331156537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73565113306163 - 2¹⁰ = 73565113305139 is a prime.

It is not a weakly prime, because it can be changed into another prime (73565113306103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36782556653081 + 36782556653082.

It is an arithmetic number, because the mean of its divisors is an integer number (36782556653082).

Almost surely, 2^{73565113306163} is an apocalyptic number.

73565113306163 is a deficient number, since it is larger than the sum of its proper divisors (1).

73565113306163 is an equidigital number, since it uses as much as digits as its factorization.

73565113306163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 50.

The spelling of 73565113306163 in words is "seventy-three trillion, five hundred sixty-five billion, one hundred thirteen million, three hundred six thousand, one hundred sixty-three".