198786047712 has 384 divisors, whose sum is σ = 633666797568. Its totient is φ = 53374464000.

The previous prime is 198786047693. The next prime is 198786047731. The reversal of 198786047712 is 217740687891.

It is an interprime number because it is at equal distance from previous prime (198786047693) and next prime (198786047731).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101888337 + ... + 101890287.

It is an arithmetic number, because the mean of its divisors is an integer number (1650173952).

Almost surely, 2^198786047712 is an apocalyptic number.

198786047712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198786047712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316833398784).

198786047712 is an abundant number, since it is smaller than the sum of its proper divisors (434880749856).

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

198786047712 is a wasteful number, since it uses less digits than its factorization.

198786047712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 60.

The spelling of 198786047712 in words is "one hundred ninety-eight billion, seven hundred eighty-six million, forty-seven thousand, seven hundred twelve".