198545852836 has 12 divisors (see below), whose sum is σ = 347653460812. Its totient is φ = 99216292608.

The previous prime is 198545852801. The next prime is 198545852837. The reversal of 198545852836 is 638258545891.

It can be written as a sum of positive squares in 2 ways, for example, as 39708532900 + 158837319936 = 199270^2 + 398544^2 .

It is not an unprimeable number, because it can be changed into a prime (198545852837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14150565 + ... + 14164588.

Almost surely, 2^198545852836 is an apocalyptic number.

It is an amenable number.

198545852836 is a deficient number, since it is larger than the sum of its proper divisors (149107607976).

198545852836 is a wasteful number, since it uses less digits than its factorization.

198545852836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28316910 (or 28316908 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 64.

The spelling of 198545852836 in words is "one hundred ninety-eight billion, five hundred forty-five million, eight hundred fifty-two thousand, eight hundred thirty-six".