68589216 has 36 divisors (see below), whose sum is σ = 195051402. Its totient is φ = 22862976.

The previous prime is 68589167. The next prime is 68589223. The reversal of 68589216 is 61298586.

68589216 is a `hidden beast` number, since 68 + 589 + 2 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 10890000 = 7596^2 + 3300^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118791 + ... + 119366.

Almost surely, 2^68589216 is an apocalyptic number.

It is an amenable number.

68589216 is an abundant number, since it is smaller than the sum of its proper divisors (126462186).

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

68589216 is a wasteful number, since it uses less digits than its factorization.

68589216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238173 (or 238162 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 68589216 is about 8281.8606605038. The cubic root of 68589216 is about 409.3410314724.

The spelling of 68589216 in words is "sixty-eight million, five hundred eighty-nine thousand, two hundred sixteen".