196213851668 has 12 divisors (see below), whose sum is σ = 343383720960. Its totient is φ = 98104217112.

The previous prime is 196213851623. The next prime is 196213851727. The reversal of 196213851668 is 866158312691.

196213851668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509588 + ... + 807531.

It is an arithmetic number, because the mean of its divisors is an integer number (28615310080).

Almost surely, 2^196213851668 is an apocalyptic number.

It is an amenable number.

196213851668 is a deficient number, since it is larger than the sum of its proper divisors (147169869292).

196213851668 is a wasteful number, since it uses less digits than its factorization.

196213851668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354366 (or 1354364 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The spelling of 196213851668 in words is "one hundred ninety-six billion, two hundred thirteen million, eight hundred fifty-one thousand, six hundred sixty-eight".