401010163 has 2 divisors, whose sum is σ = 401010164. Its totient is φ = 401010162.

The previous prime is 401010149. The next prime is 401010179. The reversal of 401010163 is 361010104.

It is an a-pointer prime, because the next prime (401010179) can be obtained adding 401010163 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401010163 is a prime.

It is not a weakly prime, because it can be changed into another prime (401310163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200505081 + 200505082.

It is an arithmetic number, because the mean of its divisors is an integer number (200505082).

Almost surely, 2^401010163 is an apocalyptic number.

401010163 is a deficient number, since it is larger than the sum of its proper divisors (1).

401010163 is an equidigital number, since it uses as much as digits as its factorization.

401010163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401010163 is about 20025.2381508935. The cubic root of 401010163 is about 737.4260237204.

Adding to 401010163 its reverse (361010104), we get a palindrome (762020267).

The spelling of 401010163 in words is "four hundred one million, ten thousand, one hundred sixty-three".