198436988201 has 8 divisors (see below), whose sum is σ = 203239632384. Its totient is φ = 193673549680.

The previous prime is 198436988179. The next prime is 198436988207. The reversal of 198436988201 is 102889634891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198436988201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198436988207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9791171 + ... + 9811416.

It is an arithmetic number, because the mean of its divisors is an integer number (25404954048).

Almost surely, 2^198436988201 is an apocalyptic number.

It is an amenable number.

198436988201 is a deficient number, since it is larger than the sum of its proper divisors (4802644183).

198436988201 is a wasteful number, since it uses less digits than its factorization.

198436988201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19602831.

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 198436988201 in words is "one hundred ninety-eight billion, four hundred thirty-six million, nine hundred eighty-eight thousand, two hundred one".