168334889 has 8 divisors (see below), whose sum is σ = 181517280. Its totient is φ = 155584800.

The previous prime is 168334853. The next prime is 168334919. The reversal of 168334889 is 988433861.

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 168334889 - 2⁸ = 168334633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168334819) 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, 107267 + ... + 108824.

It is an arithmetic number, because the mean of its divisors is an integer number (22689660).

Almost surely, 2^168334889 is an apocalyptic number.

168334889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

168334889 is a deficient number, since it is larger than the sum of its proper divisors (13182391).

168334889 is a wasteful number, since it uses less digits than its factorization.

168334889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216151.

The product of its digits is 995328, while the sum is 50.

The square root of 168334889 is about 12974.3935889120. The cubic root of 168334889 is about 552.1512321487.

The spelling of 168334889 in words is "one hundred sixty-eight million, three hundred thirty-four thousand, eight hundred eighty-nine".