198928610928 has 60 divisors (see below), whose sum is σ = 571770425928. Its totient is φ = 64517385600.

The previous prime is 198928610921. The next prime is 198928610941. The reversal of 198928610928 is 829016829891.

198928610928 is a `hidden beast` number, since 1 + 9 + 8 + 9 + 2 + 8 + 610 + 9 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198928610921) 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 11 ways as a sum of consecutive naturals, for example, 18662898 + ... + 18673553.

Almost surely, 2^198928610928 is an apocalyptic number.

198928610928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

198928610928 is an abundant number, since it is smaller than the sum of its proper divisors (372841815000).

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

198928610928 is a wasteful number, since it uses less digits than its factorization.

198928610928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37336502 (or 37336493 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 198928610928 in words is "one hundred ninety-eight billion, nine hundred twenty-eight million, six hundred ten thousand, nine hundred twenty-eight".