916205665163 has 2 divisors, whose sum is σ = 916205665164. Its totient is φ = 916205665162.

The previous prime is 916205665159. The next prime is 916205665189. The reversal of 916205665163 is 361566502619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 916205665163 - 2² = 916205665159 is a prime.

It is not a weakly prime, because it can be changed into another prime (916205685163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458102832581 + 458102832582.

It is an arithmetic number, because the mean of its divisors is an integer number (458102832582).

Almost surely, 2^916205665163 is an apocalyptic number.

916205665163 is a deficient number, since it is larger than the sum of its proper divisors (1).

916205665163 is an equidigital number, since it uses as much as digits as its factorization.

916205665163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 916205665163 in words is "nine hundred sixteen billion, two hundred five million, six hundred sixty-five thousand, one hundred sixty-three".