900163 has 16 divisors (see below), whose sum is σ = 1065600. Its totient is φ = 751680.

The previous prime is 900161. The next prime is 900169. The reversal of 900163 is 361009.

It is a cyclic number.

It is not a de Polignac number, because 900163 - 2¹ = 900161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900163.

It is not an unprimeable number, because it can be changed into a prime (900161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12295 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (66600).

2⁹⁰⁰¹⁶³ is an apocalyptic number.

900163 is a deficient number, since it is larger than the sum of its proper divisors (165437).

900163 is a wasteful number, since it uses less digits than its factorization.

900163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 900163 is about 948.7692027042. The cubic root of 900163 is about 96.5547668039.

The spelling of 900163 in words is "nine hundred thousand, one hundred sixty-three".