197167133 has 2 divisors, whose sum is σ = 197167134. Its totient is φ = 197167132.

The previous prime is 197167111. The next prime is 197167141. The reversal of 197167133 is 331761791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186131449 + 11035684 = 13643^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 197167133 - 2⁸ = 197166877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197167153) 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 as a sum of consecutive naturals, namely, 98583566 + 98583567.

It is an arithmetic number, because the mean of its divisors is an integer number (98583567).

Almost surely, 2^197167133 is an apocalyptic number.

It is an amenable number.

197167133 is a deficient number, since it is larger than the sum of its proper divisors (1).

197167133 is an equidigital number, since it uses as much as digits as its factorization.

197167133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 197167133 is about 14041.6214519549. The cubic root of 197167133 is about 582.0292898270.

The spelling of 197167133 in words is "one hundred ninety-seven million, one hundred sixty-seven thousand, one hundred thirty-three".