8163368421 has 8 divisors (see below), whose sum is σ = 11721759840. Its totient is φ = 5023611312.

The previous prime is 8163368417. The next prime is 8163368453. The reversal of 8163368421 is 1248633618.

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

It is not a de Polignac number, because 8163368421 - 2² = 8163368417 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163368401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104658531 + ... + 104658608.

It is an arithmetic number, because the mean of its divisors is an integer number (1465219980).

Almost surely, 2^8163368421 is an apocalyptic number.

It is an amenable number.

8163368421 is a deficient number, since it is larger than the sum of its proper divisors (3558391419).

8163368421 is a wasteful number, since it uses less digits than its factorization.

8163368421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209317155.

The product of its digits is 165888, while the sum is 42.

The square root of 8163368421 is about 90351.3609250021. The cubic root of 8163368421 is about 2013.5224013605.

The spelling of 8163368421 in words is "eight billion, one hundred sixty-three million, three hundred sixty-eight thousand, four hundred twenty-one".