198271158 has 8 divisors (see below), whose sum is σ = 396542328. Its totient is φ = 66090384.

The previous prime is 198271127. The next prime is 198271159. The reversal of 198271158 is 851172891.

198271158 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

198271158 is an admirable number.

It is a super-2 number, since 2×198271158² = 78622904189321928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198271159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16522591 + ... + 16522602.

It is an arithmetic number, because the mean of its divisors is an integer number (49567791).

Almost surely, 2^198271158 is an apocalyptic number.

198271158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198271158 is a wasteful number, since it uses less digits than its factorization.

198271158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33045198.

The product of its digits is 40320, while the sum is 42.

The square root of 198271158 is about 14080.8791628932. The cubic root of 198271158 is about 583.1136139761.

The spelling of 198271158 in words is "one hundred ninety-eight million, two hundred seventy-one thousand, one hundred fifty-eight".