198219056802 has 32 divisors (see below), whose sum is σ = 427056235200. Its totient is φ = 60972924480.

The previous prime is 198219056767. The next prime is 198219056821. The reversal of 198219056802 is 208650912891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91677 + ... + 636272.

It is an arithmetic number, because the mean of its divisors is an integer number (13345507350).

Almost surely, 2^198219056802 is an apocalyptic number.

198219056802 is an abundant number, since it is smaller than the sum of its proper divisors (228837178398).

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

198219056802 is a wasteful number, since it uses less digits than its factorization.

198219056802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731458.

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 198219056802 in words is "one hundred ninety-eight billion, two hundred nineteen million, fifty-six thousand, eight hundred two".