197207611568 has 20 divisors (see below), whose sum is σ = 416825179368. Its totient is φ = 89639823360.

The previous prime is 197207611561. The next prime is 197207611591. The reversal of 197207611568 is 865116702791.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (197207611561) 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, 560248721 + ... + 560249072.

Almost surely, 2^197207611568 is an apocalyptic number.

It is an amenable number.

197207611568 is an abundant number, since it is smaller than the sum of its proper divisors (219617567800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197207611568 is a wasteful number, since it uses less digits than its factorization.

197207611568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120497812 (or 1120497806 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 197207611568 in words is "one hundred ninety-seven billion, two hundred seven million, six hundred eleven thousand, five hundred sixty-eight".