198155016 has 24 divisors (see below), whose sum is σ = 536670030. Its totient is φ = 66051648.

The previous prime is 198154993. The next prime is 198155033. The reversal of 198155016 is 610551891.

198155016 is a `hidden beast` number, since 1 + 98 + 1 + 550 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197290116 + 864900 = 14046^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376005 + ... + 1376148.

Almost surely, 2^198155016 is an apocalyptic number.

It is an amenable number.

198155016 is an abundant number, since it is smaller than the sum of its proper divisors (338515014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198155016 is a wasteful number, since it uses less digits than its factorization.

198155016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752165 (or 2752158 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 198155016 is about 14076.7544554844. The cubic root of 198155016 is about 582.9997342268. Note that the first 3 decimals are identical.

The spelling of 198155016 in words is "one hundred ninety-eight million, one hundred fifty-five thousand, sixteen".