198885164 has 12 divisors (see below), whose sum is σ = 348171264. Its totient is φ = 99407664.

The previous prime is 198885157. The next prime is 198885233. The reversal of 198885164 is 461588891.

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, 7394 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (29014272).

Almost surely, 2^198885164 is an apocalyptic number.

It is an amenable number.

198885164 is a deficient number, since it is larger than the sum of its proper divisors (149286100).

198885164 is a wasteful number, since it uses less digits than its factorization.

198885164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17464 (or 17462 counting only the distinct ones).

The product of its digits is 552960, while the sum is 50.

The square root of 198885164 is about 14102.6651381929. The cubic root of 198885164 is about 583.7149223191.

It can be divided in two parts, 19888 and 5164, that added together give a palindrome (25052).

The spelling of 198885164 in words is "one hundred ninety-eight million, eight hundred eighty-five thousand, one hundred sixty-four".