8163481 has 4 divisors (see below), whose sum is σ = 8285392. Its totient is φ = 8041572.

The previous prime is 8163479. The next prime is 8163487. The reversal of 8163481 is 1843618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8163481 - 2¹ = 8163479 is a prime.

It is a super-2 number, since 2×8163481² = 133284844074722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8163487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60855 + ... + 60988.

It is an arithmetic number, because the mean of its divisors is an integer number (2071348).

Almost surely, 2^8163481 is an apocalyptic number.

It is an amenable number.

8163481 is a deficient number, since it is larger than the sum of its proper divisors (121911).

8163481 is a wasteful number, since it uses less digits than its factorization.

8163481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121910.

The product of its digits is 4608, while the sum is 31.

The square root of 8163481 is about 2857.1806033221. The cubic root of 8163481 is about 201.3531657315.

The spelling of 8163481 in words is "eight million, one hundred sixty-three thousand, four hundred eighty-one".