68544216 has 96 divisors (see below), whose sum is σ = 203090160. Its totient is φ = 20756736.

The previous prime is 68544167. The next prime is 68544263. The reversal of 68544216 is 61244586.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 62166 + ... + 63258.

Almost surely, 2^68544216 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 68544216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101545080).

68544216 is an abundant number, since it is smaller than the sum of its proper divisors (134545944).

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

68544216 is a wasteful number, since it uses less digits than its factorization.

68544216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1178 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 68544216 is about 8279.1434339550. The cubic root of 68544216 is about 409.2514917587.

The spelling of 68544216 in words is "sixty-eight million, five hundred forty-four thousand, two hundred sixteen".