198550966 has 8 divisors (see below), whose sum is σ = 297886680. Its totient is φ = 99255408.

The previous prime is 198550883. The next prime is 198550967. The reversal of 198550966 is 669055891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198550967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12010 + ... + 23266.

It is an arithmetic number, because the mean of its divisors is an integer number (37235835).

Almost surely, 2^198550966 is an apocalyptic number.

198550966 is a deficient number, since it is larger than the sum of its proper divisors (99335714).

198550966 is a wasteful number, since it uses less digits than its factorization.

198550966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20078.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 198550966 is about 14090.8114031804. The cubic root of 198550966 is about 583.3877892745.

The spelling of 198550966 in words is "one hundred ninety-eight million, five hundred fifty thousand, nine hundred sixty-six".