196695159 has 4 divisors (see below), whose sum is σ = 262260216. Its totient is φ = 131130104.

The previous prime is 196695131. The next prime is 196695173. The reversal of 196695159 is 951596691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196695159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196697159) 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 3 ways as a sum of consecutive naturals, for example, 32782524 + ... + 32782529.

It is an arithmetic number, because the mean of its divisors is an integer number (65565054).

Almost surely, 2^196695159 is an apocalyptic number.

196695159 is a deficient number, since it is larger than the sum of its proper divisors (65565057).

196695159 is an equidigital number, since it uses as much as digits as its factorization.

196695159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65565056.

The product of its digits is 656100, while the sum is 51.

The square root of 196695159 is about 14024.8051323361. The cubic root of 196695159 is about 581.5645028008.

The spelling of 196695159 in words is "one hundred ninety-six million, six hundred ninety-five thousand, one hundred fifty-nine".