198989395346 has 32 divisors (see below), whose sum is σ = 343731209472. Its totient is φ = 84630911040.

The previous prime is 198989395327. The next prime is 198989395361. The reversal of 198989395346 is 643593989891.

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, 1695011 + ... + 1808601.

It is an arithmetic number, because the mean of its divisors is an integer number (10741600296).

Almost surely, 2^198989395346 is an apocalyptic number.

198989395346 is a deficient number, since it is larger than the sum of its proper divisors (144741814126).

198989395346 is a wasteful number, since it uses less digits than its factorization.

198989395346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114554.

The product of its digits is 453496320, while the sum is 74.

The spelling of 198989395346 in words is "one hundred ninety-eight billion, nine hundred eighty-nine million, three hundred ninety-five thousand, three hundred forty-six".