198836684916 has 24 divisors (see below), whose sum is σ = 463970725344. Its totient is φ = 66276257760.

The previous prime is 198836684899. The next prime is 198836684923. The reversal of 198836684916 is 619486638891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515 + ... + 630618.

It is an arithmetic number, because the mean of its divisors is an integer number (19332113556).

Almost surely, 2^198836684916 is an apocalyptic number.

It is an amenable number.

198836684916 is an abundant number, since it is smaller than the sum of its proper divisors (265134040428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198836684916 is a wasteful number, since it uses less digits than its factorization.

198836684916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659311 (or 659309 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 69.

The spelling of 198836684916 in words is "one hundred ninety-eight billion, eight hundred thirty-six million, six hundred eighty-four thousand, nine hundred sixteen".