67559228928 has 160 divisors (see below), whose sum is σ = 200161653120. Its totient is φ = 22499297280.

The previous prime is 67559228899. The next prime is 67559228953. The reversal of 67559228928 is 82982295576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28020043 + ... + 28022453.

It is an arithmetic number, because the mean of its divisors is an integer number (1251010332).

Almost surely, 2^67559228928 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 67559228928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100080826560).

67559228928 is an abundant number, since it is smaller than the sum of its proper divisors (132602424192).

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

67559228928 is a wasteful number, since it uses less digits than its factorization.

67559228928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465 (or 4443 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 67559228928 in words is "sixty-seven billion, five hundred fifty-nine million, two hundred twenty-eight thousand, nine hundred twenty-eight".