1995163 has 8 divisors (see below), whose sum is σ = 2047136. Its totient is φ = 1944000.

The previous prime is 1995143. The next prime is 1995187. The reversal of 1995163 is 3615991.

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 1995163 - 2⁹ = 1994651 is a prime.

It is a Duffinian number.

Its product of digits (7290) is a multiple of the sum of its prime divisors (405).

1995163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1995143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10933 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (255892).

2^1995163 is an apocalyptic number.

1995163 is a deficient number, since it is larger than the sum of its proper divisors (51973).

1995163 is a wasteful number, since it uses less digits than its factorization.

1995163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 7290, while the sum is 34.

The square root of 1995163 is about 1412.5023893785. The cubic root of 1995163 is about 125.8904523611.

The spelling of 1995163 in words is "one million, nine hundred ninety-five thousand, one hundred sixty-three".