68268216 has 32 divisors (see below), whose sum is σ = 179654400. Its totient is φ = 21558240.

The previous prime is 68268181. The next prime is 68268217. The reversal of 68268216 is 61286286.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68268217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74400 + ... + 75311.

It is an arithmetic number, because the mean of its divisors is an integer number (5614200).

Almost surely, 2^68268216 is an apocalyptic number.

It is an amenable number.

68268216 is an abundant number, since it is smaller than the sum of its proper divisors (111386184).

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

68268216 is a wasteful number, since it uses less digits than its factorization.

68268216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149739 (or 149735 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 68268216 is about 8262.4582298490. The cubic root of 68268216 is about 408.7014557655.

The spelling of 68268216 in words is "sixty-eight million, two hundred sixty-eight thousand, two hundred sixteen".