8421830163 has 12 divisors (see below), whose sum is σ = 12208785888. Its totient is φ = 5594282640.

The previous prime is 8421830149. The next prime is 8421830177. The reversal of 8421830163 is 3610381248.

8421830163 is a `hidden beast` number, since 84 + 218 + 301 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (8421830149) and next prime (8421830177).

It is not a de Polignac number, because 8421830163 - 2⁶ = 8421830099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8421830113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686603 + ... + 1691588.

It is an arithmetic number, because the mean of its divisors is an integer number (1017398824).

Almost surely, 2^8421830163 is an apocalyptic number.

8421830163 is a deficient number, since it is larger than the sum of its proper divisors (3786955725).

8421830163 is a wasteful number, since it uses less digits than its factorization.

8421830163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378474 (or 3378471 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8421830163 is about 91770.5299265510. The cubic root of 8421830163 is about 2034.5521505203.

The spelling of 8421830163 in words is "eight billion, four hundred twenty-one million, eight hundred thirty thousand, one hundred sixty-three".