196421716 has 12 divisors (see below), whose sum is σ = 344344000. Its totient is φ = 98037720.

The previous prime is 196421707. The next prime is 196421749. The reversal of 196421716 is 617124691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40716 + ... + 45283.

Almost surely, 2^196421716 is an apocalyptic number.

It is an amenable number.

196421716 is a deficient number, since it is larger than the sum of its proper divisors (147922284).

196421716 is a wasteful number, since it uses less digits than its factorization.

196421716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86574 (or 86572 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 196421716 is about 14015.0531929065. The cubic root of 196421716 is about 581.2948834035.

The spelling of 196421716 in words is "one hundred ninety-six million, four hundred twenty-one thousand, seven hundred sixteen".