198165476419876 has 81 divisors (see below), whose sum is σ = 406158555866427. Its totient is φ = 84352954417200.

The previous prime is 198165476419873. The next prime is 198165476419987. The reversal of 198165476419876 is 678914674561891.

It is a happy number.

The square root of 198165476419876 is 14077126.

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

198165476419876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198165476419876.

It is not an unprimeable number, because it can be changed into a prime (198165476419871) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29759041035 + ... + 29759047693.

Almost surely, 2^{198165476419876} is an apocalyptic number.

198165476419876 is the 14077126-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198165476419876

198165476419876 is an abundant number, since it is smaller than the sum of its proper divisors (207993079446551).

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

198165476419876 is an frugal number, since it uses more digits than its factorization.

198165476419876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638 (or 6819 counting only the distinct ones).

The product of its digits is 4389396480, while the sum is 82.

The spelling of 198165476419876 in words is "one hundred ninety-eight trillion, one hundred sixty-five billion, four hundred seventy-six million, four hundred nineteen thousand, eight hundred seventy-six".