196651199 has 4 divisors (see below), whose sum is σ = 196730664. Its totient is φ = 196571736.

The previous prime is 196651183. The next prime is 196651229. The reversal of 196651199 is 991156691.

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 196651199 - 2⁴ = 196651183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196651099) 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, 35897 + ... + 41010.

It is an arithmetic number, because the mean of its divisors is an integer number (49182666).

Almost surely, 2^196651199 is an apocalyptic number.

196651199 is a deficient number, since it is larger than the sum of its proper divisors (79465).

196651199 is an equidigital number, since it uses as much as digits as its factorization.

196651199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79464.

The product of its digits is 131220, while the sum is 47.

The square root of 196651199 is about 14023.2378215589. The cubic root of 196651199 is about 581.5211743656.

The spelling of 196651199 in words is "one hundred ninety-six million, six hundred fifty-one thousand, one hundred ninety-nine".