196455867 has 4 divisors (see below), whose sum is σ = 261941160. Its totient is φ = 130970576.

The previous prime is 196455851. The next prime is 196455869. The reversal of 196455867 is 768554691.

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 196455867 - 2⁴ = 196455851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196455869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32742642 + ... + 32742647.

It is an arithmetic number, because the mean of its divisors is an integer number (65485290).

Almost surely, 2^196455867 is an apocalyptic number.

196455867 is a deficient number, since it is larger than the sum of its proper divisors (65485293).

196455867 is an equidigital number, since it uses as much as digits as its factorization.

196455867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65485292.

The product of its digits is 1814400, while the sum is 51.

The square root of 196455867 is about 14016.2715085004. The cubic root of 196455867 is about 581.3285705326.

The spelling of 196455867 in words is "one hundred ninety-six million, four hundred fifty-five thousand, eight hundred sixty-seven".