198161016 has 32 divisors (see below), whose sum is σ = 497904000. Its totient is φ = 65720160.

The previous prime is 198161003. The next prime is 198161017. The reversal of 198161016 is 610161891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198161017) 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 7 ways as a sum of consecutive naturals, for example, 15970 + ... + 25521.

It is an arithmetic number, because the mean of its divisors is an integer number (15559500).

Almost surely, 2^198161016 is an apocalyptic number.

It is an amenable number.

198161016 is an abundant number, since it is smaller than the sum of its proper divisors (299742984).

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

198161016 is a wasteful number, since it uses less digits than its factorization.

198161016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41699 (or 41695 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 198161016 is about 14076.9675711781. The cubic root of 198161016 is about 583.0056184468.

The spelling of 198161016 in words is "one hundred ninety-eight million, one hundred sixty-one thousand, sixteen".