99421163 has 8 divisors (see below), whose sum is σ = 101476800. Its totient is φ = 97372288.

The previous prime is 99421159. The next prime is 99421177. The reversal of 99421163 is 36112499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99421163 - 2² = 99421159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99426163) 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 7 ways as a sum of consecutive naturals, for example, 36803 + ... + 39411.

It is an arithmetic number, because the mean of its divisors is an integer number (12684600).

Almost surely, 2^99421163 is an apocalyptic number.

99421163 is a deficient number, since it is larger than the sum of its proper divisors (2055637).

99421163 is a wasteful number, since it uses less digits than its factorization.

99421163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381.

The product of its digits is 11664, while the sum is 35.

The square root of 99421163 is about 9971.0161468127. The cubic root of 99421163 is about 463.2615753590.

The spelling of 99421163 in words is "ninety-nine million, four hundred twenty-one thousand, one hundred sixty-three".