198399638000196 has 120 divisors (see below), whose sum is σ = 561936291063840. Its totient is φ = 60795511435008.

The previous prime is 198399638000129. The next prime is 198399638000297. The reversal of 198399638000196 is 691000836993891.

198399638000196 is a `hidden beast` number, since 1 + 98 + 399 + 63 + 8 + 0 + 0 + 0 + 1 + 96 = 666.

It is a super-3 number, since 3×198399638000196³ (a number of 44 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 418603486 + ... + 419077173.

It is an arithmetic number, because the mean of its divisors is an integer number (4682802425532).

Almost surely, 2^{198399638000196} is an apocalyptic number.

It is an amenable number.

198399638000196 is an abundant number, since it is smaller than the sum of its proper divisors (363536653063644).

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

198399638000196 is a wasteful number, since it uses less digits than its factorization.

198399638000196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837680735 (or 837680724 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 72.

The spelling of 198399638000196 in words is "one hundred ninety-eight trillion, three hundred ninety-nine billion, six hundred thirty-eight million, one hundred ninety-six", and thus it is an aban number.