195287163 has 8 divisors (see below), whose sum is σ = 261221376. Its totient is φ = 129772200.

The previous prime is 195287129. The next prime is 195287167. The reversal of 195287163 is 361782591.

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

It is not a de Polignac number, because 195287163 - 2¹⁶ = 195221627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195287167) 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, 103723 + ... + 105588.

It is an arithmetic number, because the mean of its divisors is an integer number (32652672).

Almost surely, 2^195287163 is an apocalyptic number.

195287163 is a deficient number, since it is larger than the sum of its proper divisors (65934213).

195287163 is a wasteful number, since it uses less digits than its factorization.

195287163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209625.

The product of its digits is 90720, while the sum is 42.

The square root of 195287163 is about 13974.5183459037. The cubic root of 195287163 is about 580.1735142769.

The spelling of 195287163 in words is "one hundred ninety-five million, two hundred eighty-seven thousand, one hundred sixty-three".