198102066 has 16 divisors (see below), whose sum is σ = 396717024. Its totient is φ = 65948544.

The previous prime is 198102053. The next prime is 198102077. The reversal of 198102066 is 660201891.

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, 16255 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (24794814).

Almost surely, 2^198102066 is an apocalyptic number.

198102066 is an abundant number, since it is smaller than the sum of its proper divisors (198614958).

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

198102066 is a wasteful number, since it uses less digits than its factorization.

198102066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42745.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 198102066 is about 14074.8735695920. The cubic root of 198102066 is about 582.9478008355.

The spelling of 198102066 in words is "one hundred ninety-eight million, one hundred two thousand, sixty-six".