198216913932 has 36 divisors (see below), whose sum is σ = 501067607040. Its totient is φ = 66069760032.

The previous prime is 198216913927. The next prime is 198216914011. The reversal of 198216913932 is 239319612891.

198216913932 is a `hidden beast` number, since 1 + 98 + 2 + 169 + 1 + 393 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 999669 + ... + 1181427.

It is an arithmetic number, because the mean of its divisors is an integer number (13918544640).

Almost surely, 2^198216913932 is an apocalyptic number.

198216913932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198216913932 is an abundant number, since it is smaller than the sum of its proper divisors (302850693108).

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

198216913932 is a wasteful number, since it uses less digits than its factorization.

198216913932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212062 (or 212057 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The spelling of 198216913932 in words is "one hundred ninety-eight billion, two hundred sixteen million, nine hundred thirteen thousand, nine hundred thirty-two".