168897 has 4 divisors (see below), whose sum is σ = 225200. Its totient is φ = 112596.

The previous prime is 168893. The next prime is 168899. The reversal of 168897 is 798861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 168897 - 2² = 168893 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168893) 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, 28147 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (56300).

2¹⁶⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

168897 is a deficient number, since it is larger than the sum of its proper divisors (56303).

168897 is an equidigital number, since it uses as much as digits as its factorization.

168897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56302.

The product of its digits is 24192, while the sum is 39.

The square root of 168897 is about 410.9708018826. The cubic root of 168897 is about 55.2765138264.

The spelling of 168897 in words is "one hundred sixty-eight thousand, eight hundred ninety-seven".