198364098361 has 16 divisors (see below), whose sum is σ = 237440185920. Its totient is φ = 163318633920.

The previous prime is 198364098353. The next prime is 198364098371. The reversal of 198364098361 is 163890463891.

It is not a de Polignac number, because 198364098361 - 2³ = 198364098353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198364098296 and 198364098305.

It is not an unprimeable number, because it can be changed into a prime (198364098371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13078851 + ... + 13094008.

It is an arithmetic number, because the mean of its divisors is an integer number (14840011620).

Almost surely, 2^198364098361 is an apocalyptic number.

198364098361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

198364098361 is a deficient number, since it is larger than the sum of its proper divisors (39076087559).

198364098361 is a wasteful number, since it uses less digits than its factorization.

198364098361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26172936.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 198364098361 in words is "one hundred ninety-eight billion, three hundred sixty-four million, ninety-eight thousand, three hundred sixty-one".