500661163 has 2 divisors, whose sum is σ = 500661164. Its totient is φ = 500661162.

The previous prime is 500661149. The next prime is 500661251. The reversal of 500661163 is 361166005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500661163 - 2⁵ = 500661131 is a prime.

It is not a weakly prime, because it can be changed into another prime (500661103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250330581 + 250330582.

It is an arithmetic number, because the mean of its divisors is an integer number (250330582).

Almost surely, 2^500661163 is an apocalyptic number.

500661163 is a deficient number, since it is larger than the sum of its proper divisors (1).

500661163 is an equidigital number, since it uses as much as digits as its factorization.

500661163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 500661163 is about 22375.4589450138. The cubic root of 500661163 is about 794.0502155088.

The spelling of 500661163 in words is "five hundred million, six hundred sixty-one thousand, one hundred sixty-three".