168965900 has 18 divisors (see below), whose sum is σ = 366656220. Its totient is φ = 67586320.

The previous prime is 168965899. The next prime is 168965933. The reversal of 168965900 is 9569861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844730 + ... + 844929.

It is an arithmetic number, because the mean of its divisors is an integer number (20369790).

Almost surely, 2^168965900 is an apocalyptic number.

168965900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168965900 is an abundant number, since it is smaller than the sum of its proper divisors (197690320).

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

168965900 is a wasteful number, since it uses less digits than its factorization.

168965900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689673 (or 1689666 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 168965900 is about 12998.6883953728. The cubic root of 168965900 is about 552.8402932214.

The spelling of 168965900 in words is "one hundred sixty-eight million, nine hundred sixty-five thousand, nine hundred".