68344016 has 40 divisors (see below), whose sum is σ = 145657344. Its totient is φ = 30867840.

The previous prime is 68344013. The next prime is 68344021. The reversal of 68344016 is 61044386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68344013) 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, 6281 + ... + 13271.

Almost surely, 2^68344016 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 68344016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72828672).

68344016 is an abundant number, since it is smaller than the sum of its proper divisors (77313328).

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

68344016 is a wasteful number, since it uses less digits than its factorization.

68344016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68344016 is about 8267.0439698843. The cubic root of 68344016 is about 408.8526638163.

The spelling of 68344016 in words is "sixty-eight million, three hundred forty-four thousand, sixteen".