198237294512 has 20 divisors (see below), whose sum is σ = 384104964816. Its totient is φ = 99113432640.

The previous prime is 198237294473. The next prime is 198237294527. The reversal of 198237294512 is 215492732891.

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, 2564 + ... + 629667.

Almost surely, 2^198237294512 is an apocalyptic number.

It is an amenable number.

198237294512 is a deficient number, since it is larger than the sum of its proper divisors (185867670304).

198237294512 is a wasteful number, since it uses less digits than its factorization.

198237294512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651836 (or 651830 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 198237294512 in words is "one hundred ninety-eight billion, two hundred thirty-seven million, two hundred ninety-four thousand, five hundred twelve".