198912182 has 16 divisors (see below), whose sum is σ = 351992832. Its totient is φ = 82497960.

The previous prime is 198912167. The next prime is 198912193. The reversal of 198912182 is 281219891.

It is a happy number.

It is a super-2 number, since 2×198912182² = 79132112296002248, which contains 22 as substring.

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, 228728 + ... + 229595.

It is an arithmetic number, because the mean of its divisors is an integer number (21999552).

Almost surely, 2^198912182 is an apocalyptic number.

198912182 is a deficient number, since it is larger than the sum of its proper divisors (153080650).

198912182 is a wasteful number, since it uses less digits than its factorization.

198912182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458363.

The product of its digits is 20736, while the sum is 41.

The square root of 198912182 is about 14103.6230097092. The cubic root of 198912182 is about 583.7413531421.

The spelling of 198912182 in words is "one hundred ninety-eight million, nine hundred twelve thousand, one hundred eighty-two".