196161273 has 96 divisors (see below), whose sum is σ = 381468672. Its totient is φ = 94089600.

The previous prime is 196161271. The next prime is 196161289. The reversal of 196161273 is 372161691.

196161273 is a `hidden beast` number, since 19 + 616 + 1 + 27 + 3 = 666.

It is not a de Polignac number, because 196161273 - 2¹ = 196161271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196161271) 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 95 ways as a sum of consecutive naturals, for example, 493911 + ... + 494307.

It is an arithmetic number, because the mean of its divisors is an integer number (3973632).

Almost surely, 2^196161273 is an apocalyptic number.

It is an amenable number.

196161273 is a deficient number, since it is larger than the sum of its proper divisors (185307399).

196161273 is a wasteful number, since it uses less digits than its factorization.

196161273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 196161273 is about 14005.7585656758. The cubic root of 196161273 is about 581.0378494583.

The spelling of 196161273 in words is "one hundred ninety-six million, one hundred sixty-one thousand, two hundred seventy-three".