196171559 has 2 divisors, whose sum is σ = 196171560. Its totient is φ = 196171558.

The previous prime is 196171543. The next prime is 196171567. The reversal of 196171559 is 955171691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196171559 - 2⁴ = 196171543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196171529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98085779 + 98085780.

It is an arithmetic number, because the mean of its divisors is an integer number (98085780).

Almost surely, 2^196171559 is an apocalyptic number.

196171559 is a deficient number, since it is larger than the sum of its proper divisors (1).

196171559 is an equidigital number, since it uses as much as digits as its factorization.

196171559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 44.

The square root of 196171559 is about 14006.1257669635. The cubic root of 196171559 is about 581.0480051340.

The spelling of 196171559 in words is "one hundred ninety-six million, one hundred seventy-one thousand, five hundred fifty-nine".