68865916 has 12 divisors (see below), whose sum is σ = 137731888. Its totient is φ = 29513952.

The previous prime is 68865913. The next prime is 68865961. The reversal of 68865916 is 61956886.

68865916 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68865916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68865913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229721 + ... + 1229776.

Almost surely, 2^68865916 is an apocalyptic number.

It is an amenable number.

68865916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68865916 is a wasteful number, since it uses less digits than its factorization.

68865916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459508 (or 2459506 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 68865916 is about 8298.5490298003. The cubic root of 68865916 is about 409.8907422536.

The spelling of 68865916 in words is "sixty-eight million, eight hundred sixty-five thousand, nine hundred sixteen".