198155032 has 16 divisors (see below), whose sum is σ = 371737800. Its totient is φ = 99024960.

The previous prime is 198154993. The next prime is 198155033. The reversal of 198155032 is 230551891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198155033) 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, 12819 + ... + 23677.

Almost surely, 2^198155032 is an apocalyptic number.

It is an amenable number.

198155032 is a deficient number, since it is larger than the sum of its proper divisors (173582768).

198155032 is a wasteful number, since it uses less digits than its factorization.

198155032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13146 (or 13142 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 198155032 is about 14076.7550237972. The cubic root of 198155032 is about 582.9997499182. Note that the first 3 decimals are identical.

The spelling of 198155032 in words is "one hundred ninety-eight million, one hundred fifty-five thousand, thirty-two".