68216 has 8 divisors (see below), whose sum is σ = 127920. Its totient is φ = 34104.

The previous prime is 68213. The next prime is 68219. The reversal of 68216 is 61286.

It is an interprime number because it is at equal distance from previous prime (68213) and next prime (68219).

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 68191 and 68200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (15990).

2⁶⁸²¹⁶ is an apocalyptic number.

It is an amenable number.

68216 is a deficient number, since it is larger than the sum of its proper divisors (59704).

68216 is a wasteful number, since it uses less digits than its factorization.

68216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533 (or 8529 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 68216 is about 261.1819289308. The cubic root of 68216 is about 40.8597228646.

The spelling of 68216 in words is "sixty-eight thousand, two hundred sixteen".