168898 has 4 divisors (see below), whose sum is σ = 253350. Its totient is φ = 84448.

The previous prime is 168893. The next prime is 168899. The reversal of 168898 is 898861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898861 = 503 ⋅1787.

It can be written as a sum of positive squares in only one way, i.e., 165649 + 3249 = 407^2 + 57^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168898.

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 as a sum of consecutive naturals, namely, 42223 + ... + 42226.

2¹⁶⁸⁸⁹⁸ is an apocalyptic number.

168898 is a deficient number, since it is larger than the sum of its proper divisors (84452).

168898 is an equidigital number, since it uses as much as digits as its factorization.

168898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84451.

The product of its digits is 27648, while the sum is 40.

The square root of 168898 is about 410.9720185122. The cubic root of 168898 is about 55.2766229194.

The spelling of 168898 in words is "one hundred sixty-eight thousand, eight hundred ninety-eight".