197652725445604 has 81 divisors (see below), whose sum is σ = 411699506698011. Its totient is φ = 82929526405440.

The previous prime is 197652725445599. The next prime is 197652725445619. The reversal of 197652725445604 is 406544527256791.

It is a happy number.

The square root of 197652725445604 is 14058902.

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 15709316396004 + 181943409049600 = 3963498^2 + 13488640^2 .

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 197652725445604.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4020821394 + ... + 4020870550.

Almost surely, 2^{197652725445604} is an apocalyptic number.

197652725445604 is the 14058902-nd square number.

It is an amenable number.

197652725445604 is an abundant number, since it is smaller than the sum of its proper divisors (214046781252407).

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

197652725445604 is an frugal number, since it uses more digits than its factorization.

197652725445604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98366 (or 49183 counting only the distinct ones).

The product of its (nonzero) digits is 508032000, while the sum is 67.

The spelling of 197652725445604 in words is "one hundred ninety-seven trillion, six hundred fifty-two billion, seven hundred twenty-five million, four hundred forty-five thousand, six hundred four".