198072268 has 12 divisors (see below), whose sum is σ = 357808192. Its totient is φ = 95841360.

The previous prime is 198072247. The next prime is 198072269. The reversal of 198072268 is 862270891.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (198072269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798555 + ... + 798802.

Almost surely, 2^198072268 is an apocalyptic number.

It is an amenable number.

198072268 is a deficient number, since it is larger than the sum of its proper divisors (159735924).

198072268 is a wasteful number, since it uses less digits than its factorization.

198072268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597392 (or 1597390 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 198072268 is about 14073.8149767574. The cubic root of 198072268 is about 582.9185708701.

The spelling of 198072268 in words is "one hundred ninety-eight million, seventy-two thousand, two hundred sixty-eight".