197443367716 has 81 divisors (see below), whose sum is σ = 427201319601. Its totient is φ = 79598365056.

The previous prime is 197443367711. The next prime is 197443367747. The reversal of 197443367716 is 617763344791.

The square root of 197443367716 is 444346.

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

197443367716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153718884900 + 43724482816 = 392070^2 + 209104^2 .

It is not an unprimeable number, because it can be changed into a prime (197443367711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 105753415 + ... + 105755281.

Almost surely, 2^197443367716 is an apocalyptic number.

197443367716 is the 444346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197443367716

197443367716 is an abundant number, since it is smaller than the sum of its proper divisors (229757951885).

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

197443367716 is an equidigital number, since it uses as much as digits as its factorization.

197443367716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 1893 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 58.

The spelling of 197443367716 in words is "one hundred ninety-seven billion, four hundred forty-three million, three hundred sixty-seven thousand, seven hundred sixteen".