197680568 has 32 divisors (see below), whose sum is σ = 376261200. Its totient is φ = 97354752.

The previous prime is 197680523. The next prime is 197680597. The reversal of 197680568 is 865086791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208271 + ... + 209217.

Almost surely, 2^197680568 is an apocalyptic number.

It is an amenable number.

197680568 is a deficient number, since it is larger than the sum of its proper divisors (178580632).

197680568 is a wasteful number, since it uses less digits than its factorization.

197680568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 197680568 is about 14059.8921759735. The cubic root of 197680568 is about 582.5340649459.

The spelling of 197680568 in words is "one hundred ninety-seven million, six hundred eighty thousand, five hundred sixty-eight".