68501216 has 72 divisors (see below), whose sum is σ = 159289200. Its totient is φ = 28986048.

The previous prime is 68501207. The next prime is 68501221. The reversal of 68501216 is 61210586.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867065 + ... + 867143.

It is an arithmetic number, because the mean of its divisors is an integer number (2212350).

Almost surely, 2^68501216 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 68501216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79644600).

68501216 is an abundant number, since it is smaller than the sum of its proper divisors (90787984).

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

68501216 is an frugal number, since it uses more digits than its factorization.

68501216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 68501216 is about 8276.5461395440. The cubic root of 68501216 is about 409.1658949652.

The spelling of 68501216 in words is "sixty-eight million, five hundred one thousand, two hundred sixteen".