168800007 has 4 divisors (see below), whose sum is σ = 225066680. Its totient is φ = 112533336.

The previous prime is 168799999. The next prime is 168800081. The reversal of 168800007 is 700008861.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 168800007 - 2³ = 168799999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168800087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28133332 + ... + 28133337.

It is an arithmetic number, because the mean of its divisors is an integer number (56266670).

Almost surely, 2^168800007 is an apocalyptic number.

168800007 is a deficient number, since it is larger than the sum of its proper divisors (56266673).

168800007 is an equidigital number, since it uses as much as digits as its factorization.

168800007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56266672.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 168800007 is about 12992.3056845196. The cubic root of 168800007 is about 552.6593052904.

Adding to 168800007 its reverse (700008861), we get a palindrome (868808868).

The spelling of 168800007 in words is "one hundred sixty-eight million, eight hundred thousand, seven".