196159079 has 2 divisors, whose sum is σ = 196159080. Its totient is φ = 196159078.

The previous prime is 196159057. The next prime is 196159087. The reversal of 196159079 is 970951691.

It is a strong prime.

It is an emirp because it is prime and its reverse (970951691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196159079 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196159879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98079539 + 98079540.

It is an arithmetic number, because the mean of its divisors is an integer number (98079540).

Almost surely, 2^196159079 is an apocalyptic number.

196159079 is a deficient number, since it is larger than the sum of its proper divisors (1).

196159079 is an equidigital number, since it uses as much as digits as its factorization.

196159079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 196159079 is about 14005.6802405310. The cubic root of 196159079 is about 581.0356832104.

The spelling of 196159079 in words is "one hundred ninety-six million, one hundred fifty-nine thousand, seventy-nine".