65665150163 has 2 divisors, whose sum is σ = 65665150164. Its totient is φ = 65665150162.

The previous prime is 65665150157. The next prime is 65665150217. The reversal of 65665150163 is 36105156656.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65665150163 - 2³⁰ = 64591408339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65665150123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832575081 + 32832575082.

It is an arithmetic number, because the mean of its divisors is an integer number (32832575082).

Almost surely, 2^65665150163 is an apocalyptic number.

65665150163 is a deficient number, since it is larger than the sum of its proper divisors (1).

65665150163 is an equidigital number, since it uses as much as digits as its factorization.

65665150163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 65665150163 in words is "sixty-five billion, six hundred sixty-five million, one hundred fifty thousand, one hundred sixty-three".