168488893 has 8 divisors (see below), whose sum is σ = 173667456. Its totient is φ = 163388400.

The previous prime is 168488867. The next prime is 168488897. The reversal of 168488893 is 398884861.

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

It is a cyclic number.

It is not a de Polignac number, because 168488893 - 2²⁵ = 134934461 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 (168488897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121 + ... + 23782.

It is an arithmetic number, because the mean of its divisors is an integer number (21708432).

Almost surely, 2^168488893 is an apocalyptic number.

It is an amenable number.

168488893 is a deficient number, since it is larger than the sum of its proper divisors (5178563).

168488893 is an equidigital number, since it uses as much as digits as its factorization.

168488893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39035.

The product of its digits is 2654208, while the sum is 55.

The square root of 168488893 is about 12980.3271530420. The cubic root of 168488893 is about 552.3195624348.

The spelling of 168488893 in words is "one hundred sixty-eight million, four hundred eighty-eight thousand, eight hundred ninety-three".