198027156 has 24 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 65973952.

The previous prime is 198027119. The next prime is 198027161. The reversal of 198027156 is 651720891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29725 + ... + 35771.

It is an arithmetic number, because the mean of its divisors is an integer number (19262880).

Almost surely, 2^198027156 is an apocalyptic number.

It is an amenable number.

198027156 is an abundant number, since it is smaller than the sum of its proper divisors (264281964).

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

198027156 is a wasteful number, since it uses less digits than its factorization.

198027156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783 (or 8781 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 198027156 is about 14072.2121928288. The cubic root of 198027156 is about 582.8743132540.

The spelling of 198027156 in words is "one hundred ninety-eight million, twenty-seven thousand, one hundred fifty-six".