99163 has 4 divisors (see below), whose sum is σ = 101088. Its totient is φ = 97240.

The previous prime is 99149. The next prime is 99173. The reversal of 99163 is 36199.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36199 = 53 ⋅683.

It is a cyclic number.

It is not a de Polignac number, because 99163 - 2⁵ = 99131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99103) 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, 883 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

2⁹⁹¹⁶³ is an apocalyptic number.

99163 is a deficient number, since it is larger than the sum of its proper divisors (1925).

99163 is a wasteful number, since it uses less digits than its factorization.

With its successor (99164) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1924).

99163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its digits is 1458, while the sum is 28.

The square root of 99163 is about 314.9015719237. The cubic root of 99163 is about 46.2860250122.

It can be divided in two parts, 99 and 163, that added together give a palindrome (262).

The spelling of 99163 in words is "ninety-nine thousand, one hundred sixty-three".