85163163 has 4 divisors (see below), whose sum is σ = 113550888. Its totient is φ = 56775440.

The previous prime is 85163147. The next prime is 85163171. The reversal of 85163163 is 36136158.

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

It is a cyclic number.

It is not a de Polignac number, because 85163163 - 2⁴ = 85163147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85163123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14193858 + ... + 14193863.

It is an arithmetic number, because the mean of its divisors is an integer number (28387722).

Almost surely, 2^85163163 is an apocalyptic number.

85163163 is a deficient number, since it is larger than the sum of its proper divisors (28387725).

85163163 is a wasteful number, since it uses less digits than its factorization.

85163163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28387724.

The product of its digits is 12960, while the sum is 33.

The square root of 85163163 is about 9228.3889709960. The cubic root of 85163163 is about 439.9641206969.

The spelling of 85163163 in words is "eighty-five million, one hundred sixty-three thousand, one hundred sixty-three".