67565448216 has 384 divisors, whose sum is σ = 223292160000. Its totient is φ = 18740408832.

The previous prime is 67565448121. The next prime is 67565448217. The reversal of 67565448216 is 61284456576.

67565448216 is a `hidden beast` number, since 6 + 7 + 5 + 6 + 544 + 82 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67565448217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 95296470 + ... + 95297178.

It is an arithmetic number, because the mean of its divisors is an integer number (581490000).

Almost surely, 2^67565448216 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 67565448216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111646080000).

67565448216 is an abundant number, since it is smaller than the sum of its proper divisors (155726711784).

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

67565448216 is a wasteful number, since it uses less digits than its factorization.

67565448216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 917 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 67565448216 in words is "sixty-seven billion, five hundred sixty-five million, four hundred forty-eight thousand, two hundred sixteen".