168863873 has 8 divisors (see below), whose sum is σ = 178911360. Its totient is φ = 158829120.

The previous prime is 168863867. The next prime is 168863879. The reversal of 168863873 is 378368861.

It is an interprime number because it is at equal distance from previous prime (168863867) and next prime (168863879).

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-168863873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168863879) 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, 45668 + ... + 49226.

It is an arithmetic number, because the mean of its divisors is an integer number (22363920).

Almost surely, 2^168863873 is an apocalyptic number.

It is an amenable number.

168863873 is a deficient number, since it is larger than the sum of its proper divisors (10047487).

168863873 is a wasteful number, since it uses less digits than its factorization.

168863873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367.

The product of its digits is 1161216, while the sum is 50.

The square root of 168863873 is about 12994.7632914186. The cubic root of 168863873 is about 552.7289966158.

The spelling of 168863873 in words is "one hundred sixty-eight million, eight hundred sixty-three thousand, eight hundred seventy-three".