68016288 has 48 divisors (see below), whose sum is σ = 179516736. Its totient is φ = 22548480.

The previous prime is 68016283. The next prime is 68016301. The reversal of 68016288 is 88261086.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (68016283) 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, 16693 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (3739932).

Almost surely, 2^68016288 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 68016288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89758368).

68016288 is an abundant number, since it is smaller than the sum of its proper divisors (111500448).

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

68016288 is a wasteful number, since it uses less digits than its factorization.

68016288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 68016288 is about 8247.1987971674. The cubic root of 68016288 is about 408.1980968049.

The spelling of 68016288 in words is "sixty-eight million, sixteen thousand, two hundred eighty-eight".