196570172 has 12 divisors (see below), whose sum is σ = 344144640. Its totient is φ = 98243136.

The previous prime is 196570169. The next prime is 196570177. The reversal of 196570172 is 271075691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196570177) 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, 1604 + ... + 19892.

It is an arithmetic number, because the mean of its divisors is an integer number (28678720).

Almost surely, 2^196570172 is an apocalyptic number.

It is an amenable number.

196570172 is a deficient number, since it is larger than the sum of its proper divisors (147574468).

196570172 is a wasteful number, since it uses less digits than its factorization.

196570172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980 (or 20978 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 196570172 is about 14020.3484978085. The cubic root of 196570172 is about 581.4412945420.

The spelling of 196570172 in words is "one hundred ninety-six million, five hundred seventy thousand, one hundred seventy-two".