198606240000 has 2160 divisors, whose sum is σ = 926401956480. Its totient is φ = 39813120000.

The previous prime is 198606239969. The next prime is 198606240037. The reversal of 198606240000 is 42606891.

198606240000 is a `hidden beast` number, since 1 + 9 + 8 + 606 + 2 + 40 + 0 + 0 + 0 = 666.

198606240000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3255839970 + ... + 3255840030.

Almost surely, 2^198606240000 is an apocalyptic number.

198606240000 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 198606240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463200978240).

198606240000 is an abundant number, since it is smaller than the sum of its proper divisors (727795716480).

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

198606240000 is a wasteful number, since it uses less digits than its factorization.

198606240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 198606240000 its reverse (42606891), we get a palindrome (198648846891).

The spelling of 198606240000 in words is "one hundred ninety-eight billion, six hundred six million, two hundred forty thousand".