198219901002 has 8 divisors (see below), whose sum is σ = 396439802016. Its totient is φ = 66073300332.

The previous prime is 198219900959. The next prime is 198219901013. The reversal of 198219901002 is 200109912891.

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

198219901002 is an admirable number.

It is a super-2 number, since 2×198219901002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16518325078 + ... + 16518325089.

It is an arithmetic number, because the mean of its divisors is an integer number (49554975252).

Almost surely, 2^198219901002 is an apocalyptic number.

198219901002 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.

198219901002 is a wasteful number, since it uses less digits than its factorization.

198219901002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33036650172.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 198219901002 in words is "one hundred ninety-eight billion, two hundred nineteen million, nine hundred one thousand, two".