198579243340801 has 8 divisors (see below), whose sum is σ = 200123911152000. Its totient is φ = 197035011828720.

The previous prime is 198579243340783. The next prime is 198579243340811. The reversal of 198579243340801 is 108043342975891.

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

It is a cyclic number.

It is not a de Polignac number, because 198579243340801 - 2⁴⁷ = 57841754985473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198579243340811) 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, 108160921 + ... + 109981558.

It is an arithmetic number, because the mean of its divisors is an integer number (25015488894000).

Almost surely, 2^{198579243340801} is an apocalyptic number.

It is an amenable number.

198579243340801 is a deficient number, since it is larger than the sum of its proper divisors (1544667811199).

198579243340801 is a wasteful number, since it uses less digits than its factorization.

198579243340801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218149559.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 198579243340801 in words is "one hundred ninety-eight trillion, five hundred seventy-nine billion, two hundred forty-three million, three hundred forty thousand, eight hundred one".