4663920161 has 2 divisors, whose sum is σ = 4663920162. Its totient is φ = 4663920160.

The previous prime is 4663920143. The next prime is 4663920211. The reversal of 4663920161 is 1610293664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4496373025 + 167547136 = 67055^2 + 12944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4663920161 - 2¹⁸ = 4663658017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4663920061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331960080 + 2331960081.

It is an arithmetic number, because the mean of its divisors is an integer number (2331960081).

Almost surely, 2^4663920161 is an apocalyptic number.

It is an amenable number.

4663920161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663920161 is an equidigital number, since it uses as much as digits as its factorization.

4663920161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 4663920161 is about 68292.8997846775. The cubic root of 4663920161 is about 1670.7714127675.

The spelling of 4663920161 in words is "four billion, six hundred sixty-three million, nine hundred twenty thousand, one hundred sixty-one".