198360398585 has 16 divisors (see below), whose sum is σ = 246793416192. Its totient is φ = 152892796800.

The previous prime is 198360398573. The next prime is 198360398609. The reversal of 198360398585 is 585893063891.

It is not a de Polignac number, because 198360398585 - 2⁴ = 198360398569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2783636 + ... + 2854005.

It is an arithmetic number, because the mean of its divisors is an integer number (15424588512).

Almost surely, 2^198360398585 is an apocalyptic number.

It is an amenable number.

198360398585 is a deficient number, since it is larger than the sum of its proper divisors (48433017607).

198360398585 is a wasteful number, since it uses less digits than its factorization.

198360398585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637904.

The product of its (nonzero) digits is 55987200, while the sum is 65.

The spelling of 198360398585 in words is "one hundred ninety-eight billion, three hundred sixty million, three hundred ninety-eight thousand, five hundred eighty-five".