82568163 has 4 divisors (see below), whose sum is σ = 110090888. Its totient is φ = 55045440.

The previous prime is 82568153. The next prime is 82568173. The reversal of 82568163 is 36186528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82568153) and next prime (82568173).

It is not a de Polignac number, because 82568163 - 2⁴ = 82568147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82568113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13761358 + ... + 13761363.

It is an arithmetic number, because the mean of its divisors is an integer number (27522722).

Almost surely, 2^82568163 is an apocalyptic number.

82568163 is a deficient number, since it is larger than the sum of its proper divisors (27522725).

82568163 is a wasteful number, since it uses less digits than its factorization.

82568163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27522724.

The product of its digits is 69120, while the sum is 39.

The square root of 82568163 is about 9086.7025372244. The cubic root of 82568163 is about 435.4492439056.

The spelling of 82568163 in words is "eighty-two million, five hundred sixty-eight thousand, one hundred sixty-three".