198646055160000 has 560 divisors, whose sum is σ = 750812771005440. Its totient is φ = 45391610880000.

The previous prime is 198646055159987. The next prime is 198646055160019. The reversal of 198646055160000 is 61550646891.

It is a tau number, because it is divible by the number of its divisors (560).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3050007436 + ... + 3050072564.

Almost surely, 2^{198646055160000} is an apocalyptic number.

198646055160000 is a gapful number since it is divisible by the number (10) 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 198646055160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375406385502720).

198646055160000 is an abundant number, since it is smaller than the sum of its proper divisors (552166715845440).

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

198646055160000 is an equidigital number, since it uses as much as digits as its factorization.

198646055160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68802 (or 68777 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 198646055160000 in words is "one hundred ninety-eight trillion, six hundred forty-six billion, fifty-five million, one hundred sixty thousand".