168198500 has 24 divisors (see below), whose sum is σ = 367346616. Its totient is φ = 67279200.

The previous prime is 168198473. The next prime is 168198539. The reversal of 168198500 is 5891861.

168198500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 165739876 = 1568^2 + 12874^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 167699 + ... + 168698.

It is an arithmetic number, because the mean of its divisors is an integer number (15306109).

Almost surely, 2^168198500 is an apocalyptic number.

168198500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168198500 is an abundant number, since it is smaller than the sum of its proper divisors (199148116).

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

168198500 is a wasteful number, since it uses less digits than its factorization.

168198500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336416 (or 336404 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 168198500 is about 12969.1364400256. The cubic root of 168198500 is about 552.0020697605.

The spelling of 168198500 in words is "one hundred sixty-eight million, one hundred ninety-eight thousand, five hundred".