198770081063 has 8 divisors (see below), whose sum is σ = 201223116432. Its totient is φ = 196328071296.

The previous prime is 198770081039. The next prime is 198770081071. The reversal of 198770081063 is 360180077891.

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 198770081063 - 2²⁰ = 198769032487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198770081093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720120 + ... + 2792237.

It is an arithmetic number, because the mean of its divisors is an integer number (25152889554).

Almost surely, 2^198770081063 is an apocalyptic number.

198770081063 is a deficient number, since it is larger than the sum of its proper divisors (2453035369).

198770081063 is a wasteful number, since it uses less digits than its factorization.

198770081063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512801.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 198770081063 in words is "one hundred ninety-eight billion, seven hundred seventy million, eighty-one thousand, sixty-three".