689511168 has 108 divisors (see below), whose sum is σ = 2003263080. Its totient is φ = 228077568.

The previous prime is 689511161. The next prime is 689511203. The reversal of 689511168 is 861115986.

It is not an unprimeable number, because it can be changed into a prime (689511161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319180 + ... + 321332.

Almost surely, 2^689511168 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 689511168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001631540).

689511168 is an abundant number, since it is smaller than the sum of its proper divisors (1313751912).

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

689511168 is a wasteful number, since it uses less digits than its factorization.

689511168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2297 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 689511168 is about 26258.5446664510. The cubic root of 689511168 is about 883.4468670336.

The spelling of 689511168 in words is "six hundred eighty-nine million, five hundred eleven thousand, one hundred sixty-eight".