9968163 has 4 divisors (see below), whose sum is σ = 13290888. Its totient is φ = 6645440.

The previous prime is 9968149. The next prime is 9968173. The reversal of 9968163 is 3618699.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9968163 is a prime.

9968163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9968113) 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, 1661358 + ... + 1661363.

It is an arithmetic number, because the mean of its divisors is an integer number (3322722).

Almost surely, 2^9968163 is an apocalyptic number.

9968163 is a deficient number, since it is larger than the sum of its proper divisors (3322725).

9968163 is a wasteful number, since it uses less digits than its factorization.

9968163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322724.

The product of its digits is 69984, while the sum is 42.

The square root of 9968163 is about 3157.2397755001. The cubic root of 9968163 is about 215.2145901464.

The spelling of 9968163 in words is "nine million, nine hundred sixty-eight thousand, one hundred sixty-three".