196910195 has 4 divisors (see below), whose sum is σ = 236292240. Its totient is φ = 157528152.

The previous prime is 196910183. The next prime is 196910221. The reversal of 196910195 is 591019691.

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-196910195 is a prime.

It is an unprimeable number.

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, 19691015 + ... + 19691024.

It is an arithmetic number, because the mean of its divisors is an integer number (59073060).

Almost surely, 2^196910195 is an apocalyptic number.

196910195 is a deficient number, since it is larger than the sum of its proper divisors (39382045).

196910195 is an equidigital number, since it uses as much as digits as its factorization.

196910195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39382044.

The product of its (nonzero) digits is 21870, while the sum is 41.

The square root of 196910195 is about 14032.4693122772. The cubic root of 196910195 is about 581.7763564460.

The spelling of 196910195 in words is "one hundred ninety-six million, nine hundred ten thousand, one hundred ninety-five".