198295397567 has 8 divisors (see below), whose sum is σ = 210035762496. Its totient is φ = 186563469312.

The previous prime is 198295397563. The next prime is 198295397569. The reversal of 198295397567 is 765793592891.

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 198295397567 - 2² = 198295397563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198295397567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198295397561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060738 + ... + 2154815.

It is an arithmetic number, because the mean of its divisors is an integer number (26254470312).

Almost surely, 2^198295397567 is an apocalyptic number.

198295397567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

198295397567 is a deficient number, since it is larger than the sum of its proper divisors (11740364929).

198295397567 is a wasteful number, since it uses less digits than its factorization.

198295397567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218337.

The product of its digits is 257191200, while the sum is 71.

The spelling of 198295397567 in words is "one hundred ninety-eight billion, two hundred ninety-five million, three hundred ninety-seven thousand, five hundred sixty-seven".