198054216 has 192 divisors, whose sum is σ = 600462720. Its totient is φ = 58705920.

The previous prime is 198054191. The next prime is 198054221. The reversal of 198054216 is 612450891.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 2789461 + ... + 2789531.

It is an arithmetic number, because the mean of its divisors is an integer number (3127410).

Almost surely, 2^198054216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198054216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300231360).

198054216 is an abundant number, since it is smaller than the sum of its proper divisors (402408504).

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

198054216 is a wasteful number, since it uses less digits than its factorization.

198054216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 198054216 is about 14073.1736292849. The cubic root of 198054216 is about 582.9008615666.

The spelling of 198054216 in words is "one hundred ninety-eight million, fifty-four thousand, two hundred sixteen".