421136163 has 24 divisors (see below), whose sum is σ = 703029600. Its totient is φ = 237942144.

The previous prime is 421136161. The next prime is 421136167. The reversal of 421136163 is 361631124.

421136163 is a `hidden beast` number, since 42 + 1 + 1 + 3 + 616 + 3 = 666.

It is not a de Polignac number, because 421136163 - 2¹ = 421136161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421136161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31948 + ... + 43161.

It is an arithmetic number, because the mean of its divisors is an integer number (29292900).

Almost surely, 2^421136163 is an apocalyptic number.

421136163 is a deficient number, since it is larger than the sum of its proper divisors (281893437).

421136163 is a wasteful number, since it uses less digits than its factorization.

421136163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75211 (or 75208 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 421136163 is about 20521.6023497192. The cubic root of 421136163 is about 749.5619148250.

Adding to 421136163 its reverse (361631124), we get a palindrome (782767287).

The spelling of 421136163 in words is "four hundred twenty-one million, one hundred thirty-six thousand, one hundred sixty-three".