196198571 has 4 divisors (see below), whose sum is σ = 200983944. Its totient is φ = 191413200.

The previous prime is 196198559. The next prime is 196198573. The reversal of 196198571 is 175891691.

196198571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 196198571 - 2¹⁸ = 195936427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196198573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392625 + ... + 2392706.

It is an arithmetic number, because the mean of its divisors is an integer number (50245986).

Almost surely, 2^196198571 is an apocalyptic number.

196198571 is a deficient number, since it is larger than the sum of its proper divisors (4785373).

196198571 is an equidigital number, since it uses as much as digits as its factorization.

196198571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785372.

The product of its digits is 136080, while the sum is 47.

The square root of 196198571 is about 14007.0900261261. The cubic root of 196198571 is about 581.0746732003.

The spelling of 196198571 in words is "one hundred ninety-six million, one hundred ninety-eight thousand, five hundred seventy-one".