196666846 has 8 divisors (see below), whose sum is σ = 312353280. Its totient is φ = 92549088.

The previous prime is 196666837. The next prime is 196666849. The reversal of 196666846 is 648666691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 196666793 and 196666802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196666849) 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, 2892126 + ... + 2892193.

It is an arithmetic number, because the mean of its divisors is an integer number (39044160).

Almost surely, 2^196666846 is an apocalyptic number.

196666846 is a deficient number, since it is larger than the sum of its proper divisors (115686434).

196666846 is a wasteful number, since it uses less digits than its factorization.

196666846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784338.

The product of its digits is 2239488, while the sum is 52.

The square root of 196666846 is about 14023.7957058708. The cubic root of 196666846 is about 581.5365973082.

The spelling of 196666846 in words is "one hundred ninety-six million, six hundred sixty-six thousand, eight hundred forty-six".