197123568196 has 27 divisors (see below), whose sum is σ = 349871594583. Its totient is φ = 97179655680.

The previous prime is 197123568181. The next prime is 197123568223. The reversal of 197123568196 is 691865321791.

The square root of 197123568196 is 443986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 83376562500 + 113747005696 = 288750^2 + 337264^2 .

It is a super-2 number, since 2×197123568196² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197123568196.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64820436 + ... + 64823476.

Almost surely, 2^197123568196 is an apocalyptic number.

197123568196 is the 443986-th square number.

It is an amenable number.

197123568196 is a deficient number, since it is larger than the sum of its proper divisors (152748026387).

197123568196 is an frugal number, since it uses more digits than its factorization.

197123568196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 3116 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 58.

The spelling of 197123568196 in words is "one hundred ninety-seven billion, one hundred twenty-three million, five hundred sixty-eight thousand, one hundred ninety-six".