168842869 has 8 divisors (see below), whose sum is σ = 182310912. Its totient is φ = 155443440.

The previous prime is 168842867. The next prime is 168842893. The reversal of 168842869 is 968248861.

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 168842869 - 2¹ = 168842867 is a prime.

It is a super-2 number, since 2×168842869² = 57015828824302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168842867) 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, 11977 + ... + 21934.

It is an arithmetic number, because the mean of its divisors is an integer number (22788864).

Almost surely, 2^168842869 is an apocalyptic number.

It is an amenable number.

168842869 is a deficient number, since it is larger than the sum of its proper divisors (13468043).

168842869 is a wasteful number, since it uses less digits than its factorization.

168842869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34307.

The product of its digits is 1327104, while the sum is 52.

The square root of 168842869 is about 12993.9550945815. The cubic root of 168842869 is about 552.7060787451.

The spelling of 168842869 in words is "one hundred sixty-eight million, eight hundred forty-two thousand, eight hundred sixty-nine".