168800009 has 8 divisors (see below), whose sum is σ = 203067840. Its totient is φ = 137070576.

The previous prime is 168799999. The next prime is 168800081. The reversal of 168800009 is 900008861.

168800009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168800009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168800609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634454 + ... + 634719.

It is an arithmetic number, because the mean of its divisors is an integer number (25383480).

Almost surely, 2^168800009 is an apocalyptic number.

168800009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

168800009 is a deficient number, since it is larger than the sum of its proper divisors (34267831).

168800009 is a wasteful number, since it uses less digits than its factorization.

168800009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269199.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 168800009 is about 12992.3057614882. The cubic root of 168800009 is about 552.6593074731.

The spelling of 168800009 in words is "one hundred sixty-eight million, eight hundred thousand, nine".