198772316 has 12 divisors (see below), whose sum is σ = 355941432. Its totient is φ = 97074768.

The previous prime is 198772309. The next prime is 198772337. The reversal of 198772316 is 613277891.

198772316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 577655 + ... + 577998.

It is an arithmetic number, because the mean of its divisors is an integer number (29661786).

Almost surely, 2^198772316 is an apocalyptic number.

It is an amenable number.

198772316 is a deficient number, since it is larger than the sum of its proper divisors (157169116).

198772316 is a wasteful number, since it uses less digits than its factorization.

198772316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155700 (or 1155698 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 198772316 is about 14098.6636246135. The cubic root of 198772316 is about 583.6045009372.

The spelling of 198772316 in words is "one hundred ninety-eight million, seven hundred seventy-two thousand, three hundred sixteen".