689241168 has 180 divisors, whose sum is σ = 2423532384. Its totient is φ = 178992000.

The previous prime is 689241151. The next prime is 689241199. The reversal of 689241168 is 861142986.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119143 + ... + 124793.

Almost surely, 2^689241168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689241168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211766192).

689241168 is an abundant number, since it is smaller than the sum of its proper divisors (1734291216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689241168 is a wasteful number, since it uses less digits than its factorization.

689241168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694 (or 5674 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 689241168 is about 26253.4029794234. The cubic root of 689241168 is about 883.3315380842.

The spelling of 689241168 in words is "six hundred eighty-nine million, two hundred forty-one thousand, one hundred sixty-eight".