198133208502 has 8 divisors (see below), whose sum is σ = 396266417016. Its totient is φ = 66044402832.

The previous prime is 198133208501. The next prime is 198133208527. The reversal of 198133208502 is 205802331891.

It is a happy number.

198133208502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

198133208502 is an admirable number.

It is a super-3 number, since 3×198133208502³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198133208501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16511100703 + ... + 16511100714.

It is an arithmetic number, because the mean of its divisors is an integer number (49533302127).

Almost surely, 2^198133208502 is an apocalyptic number.

198133208502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198133208502 is a wasteful number, since it uses less digits than its factorization.

198133208502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33022201422.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 198133208502 in words is "one hundred ninety-eight billion, one hundred thirty-three million, two hundred eight thousand, five hundred two".