198003326976 has 1224 divisors, whose sum is σ = 783204799104. Its totient is φ = 47563407360.

The previous prime is 198003326971. The next prime is 198003327031. The reversal of 198003326976 is 679623300891.

It is a tau number, because it is divible by the number of its divisors (1224).

It is not an unprimeable number, because it can be changed into a prime (198003326971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6387204081 + ... + 6387204111.

Almost surely, 2^198003326976 is an apocalyptic number.

198003326976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198003326976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391602399552).

198003326976 is an abundant number, since it is smaller than the sum of its proper divisors (585201472128).

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

198003326976 is a wasteful number, since it uses less digits than its factorization.

198003326976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 198003326976 in words is "one hundred ninety-eight billion, three million, three hundred twenty-six thousand, nine hundred seventy-six".