198086630961 has 8 divisors (see below), whose sum is σ = 264150720544. Its totient is φ = 132040147680.

The previous prime is 198086630953. The next prime is 198086631079. The reversal of 198086630961 is 169036680891.

It is a happy number.

198086630961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198086630961 - 2³ = 198086630953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198086630941) 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 7 ways as a sum of consecutive naturals, for example, 4375300 + ... + 4420341.

It is an arithmetic number, because the mean of its divisors is an integer number (33018840068).

Almost surely, 2^198086630961 is an apocalyptic number.

It is an amenable number.

198086630961 is a deficient number, since it is larger than the sum of its proper divisors (66064089583).

198086630961 is an equidigital number, since it uses as much as digits as its factorization.

198086630961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803151.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 198086630961 in words is "one hundred ninety-eight billion, eighty-six million, six hundred thirty thousand, nine hundred sixty-one".