198299720974106 has 16 divisors (see below), whose sum is σ = 297546896939208. Its totient is φ = 99117422798400.

The previous prime is 198299720974087. The next prime is 198299720974123. The reversal of 198299720974106 is 601479027992891.

198299720974106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 138384520053025 + 59915200921081 = 11763695^2 + 7740491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678634796 + ... + 678926936.

Almost surely, 2^{198299720974106} is an apocalyptic number.

198299720974106 is a deficient number, since it is larger than the sum of its proper divisors (99247175965102).

198299720974106 is a wasteful number, since it uses less digits than its factorization.

198299720974106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402017.

The product of its (nonzero) digits is 246903552, while the sum is 74.

The spelling of 198299720974106 in words is "one hundred ninety-eight trillion, two hundred ninety-nine billion, seven hundred twenty million, nine hundred seventy-four thousand, one hundred six".