168858867 has 8 divisors (see below), whose sum is σ = 225511360. Its totient is φ = 112389480.

The previous prime is 168858857. The next prime is 168858883. The reversal of 168858867 is 768858861.

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

It is not a de Polignac number, because 168858867 - 2⁸ = 168858611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168858817) 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, 43609 + ... + 47322.

It is an arithmetic number, because the mean of its divisors is an integer number (28188920).

Almost surely, 2^168858867 is an apocalyptic number.

168858867 is a deficient number, since it is larger than the sum of its proper divisors (56652493).

168858867 is an equidigital number, since it uses as much as digits as its factorization.

168858867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91553.

The product of its digits is 5160960, while the sum is 57.

The square root of 168858867 is about 12994.5706739392. The cubic root of 168858867 is about 552.7235346449.

It can be divided in two parts, 16885 and 8867, that added together give a palindrome (25752).

The spelling of 168858867 in words is "one hundred sixty-eight million, eight hundred fifty-eight thousand, eight hundred sixty-seven".