400560163 has 2 divisors, whose sum is σ = 400560164. Its totient is φ = 400560162.

The previous prime is 400560091. The next prime is 400560169. The reversal of 400560163 is 361065004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400560163 is a prime.

It is not a weakly prime, because it can be changed into another prime (400560169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200280081 + 200280082.

It is an arithmetic number, because the mean of its divisors is an integer number (200280082).

Almost surely, 2^400560163 is an apocalyptic number.

400560163 is a deficient number, since it is larger than the sum of its proper divisors (1).

400560163 is an equidigital number, since it uses as much as digits as its factorization.

400560163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 400560163 is about 20013.9991755771. Note that the first 3 decimals coincide. The cubic root of 400560163 is about 737.1500823221.

The spelling of 400560163 in words is "four hundred million, five hundred sixty thousand, one hundred sixty-three".