198667016 has 8 divisors (see below), whose sum is σ = 372500670. Its totient is φ = 99333504.

The previous prime is 198667013. The next prime is 198667039. The reversal of 198667016 is 610766891.

It can be written as a sum of positive squares in only one way, i.e., 119990116 + 78676900 = 10954^2 + 8870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (198667013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12416681 + ... + 12416696.

Almost surely, 2^198667016 is an apocalyptic number.

It is an amenable number.

198667016 is a deficient number, since it is larger than the sum of its proper divisors (173833654).

198667016 is a wasteful number, since it uses less digits than its factorization.

198667016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833383 (or 24833379 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 198667016 is about 14094.9287334133. The cubic root of 198667016 is about 583.5014275480.

The spelling of 198667016 in words is "one hundred ninety-eight million, six hundred sixty-seven thousand, sixteen".