197713706668 has 12 divisors (see below), whose sum is σ = 361042421040. Its totient is φ = 94558729232.

The previous prime is 197713706587. The next prime is 197713706699. The reversal of 197713706668 is 866607317791.

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, 1074530923 + ... + 1074531106.

It is an arithmetic number, because the mean of its divisors is an integer number (30086868420).

Almost surely, 2^197713706668 is an apocalyptic number.

It is an amenable number.

197713706668 is a deficient number, since it is larger than the sum of its proper divisors (163328714372).

197713706668 is a wasteful number, since it uses less digits than its factorization.

197713706668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149062056 (or 2149062054 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 197713706668 in words is "one hundred ninety-seven billion, seven hundred thirteen million, seven hundred six thousand, six hundred sixty-eight".