198832281601 has 4 divisors (see below), whose sum is σ = 198853839792. Its totient is φ = 198810723412.

The previous prime is 198832281581. The next prime is 198832281623. The reversal of 198832281601 is 106182238891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198832281601 - 2¹⁷ = 198832150529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198832081601) 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 3 ways as a sum of consecutive naturals, for example, 10765255 + ... + 10783708.

It is an arithmetic number, because the mean of its divisors is an integer number (49713459948).

Almost surely, 2^198832281601 is an apocalyptic number.

It is an amenable number.

198832281601 is a deficient number, since it is larger than the sum of its proper divisors (21558191).

198832281601 is an equidigital number, since it uses as much as digits as its factorization.

198832281601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21558190.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 198832281601 in words is "one hundred ninety-eight billion, eight hundred thirty-two million, two hundred eighty-one thousand, six hundred one".