401810163 has 8 divisors (see below), whose sum is σ = 536197776. Its totient is φ = 267648000.

The previous prime is 401810153. The next prime is 401810173. The reversal of 401810163 is 361018104.

It is an interprime number because it is at equal distance from previous prime (401810153) and next prime (401810173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401810163 - 2⁶ = 401810099 is a prime.

It is a super-2 number, since 2×401810163² = 322902814180173138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401810153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52158 + ... + 59363.

It is an arithmetic number, because the mean of its divisors is an integer number (67024722).

Almost surely, 2^401810163 is an apocalyptic number.

401810163 is a deficient number, since it is larger than the sum of its proper divisors (134387613).

401810163 is a wasteful number, since it uses less digits than its factorization.

401810163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112725.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 401810163 is about 20045.2029922373. The cubic root of 401810163 is about 737.9160769281.

Adding to 401810163 its reverse (361018104), we get a palindrome (762828267).

The spelling of 401810163 in words is "four hundred one million, eight hundred ten thousand, one hundred sixty-three".