198662120 has 16 divisors (see below), whose sum is σ = 446989860. Its totient is φ = 79464832.

The previous prime is 198662099. The next prime is 198662131. The reversal of 198662120 is 21266891.

It can be written as a sum of positive squares in 2 ways, for example, as 187197124 + 11464996 = 13682^2 + 3386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483237 + ... + 2483316.

Almost surely, 2^198662120 is an apocalyptic number.

198662120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198662120 is an abundant number, since it is smaller than the sum of its proper divisors (248327740).

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

198662120 is a wasteful number, since it uses less digits than its factorization.

198662120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966564 (or 4966560 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 198662120 is about 14094.7550528557. The cubic root of 198662120 is about 583.4966341899.

The spelling of 198662120 in words is "one hundred ninety-eight million, six hundred sixty-two thousand, one hundred twenty".