168794900 has 18 divisors (see below), whose sum is σ = 366285150. Its totient is φ = 67517920.

The previous prime is 168794881. The next prime is 168794911. The reversal of 168794900 is 9497861.

It can be written as a sum of positive squares in 3 ways, for example, as 781456 + 168013444 = 884^2 + 12962^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843875 + ... + 844074.

It is an arithmetic number, because the mean of its divisors is an integer number (20349175).

Almost surely, 2^168794900 is an apocalyptic number.

168794900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168794900 is an abundant number, since it is smaller than the sum of its proper divisors (197490250).

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

168794900 is a wasteful number, since it uses less digits than its factorization.

168794900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687963 (or 1687956 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 168794900 is about 12992.1091436302. The cubic root of 168794900 is about 552.6537317133.

The spelling of 168794900 in words is "one hundred sixty-eight million, seven hundred ninety-four thousand, nine hundred".