67330557116928 has 800 divisors, whose sum is σ = 241367755415424. Its totient is φ = 18281961750528.

The previous prime is 67330557116917. The next prime is 67330557116959. The reversal of 67330557116928 is 82961175503376.

67330557116928 is a `hidden beast` number, since 6 + 7 + 3 + 3 + 0 + 557 + 11 + 69 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 461800776 + ... + 461946552.

Almost surely, 2^{67330557116928} 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 67330557116928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120683877707712).

67330557116928 is an abundant number, since it is smaller than the sum of its proper divisors (174037198298496).

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

67330557116928 is a wasteful number, since it uses less digits than its factorization.

67330557116928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145894 (or 145869 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 67330557116928 in words is "sixty-seven trillion, three hundred thirty billion, five hundred fifty-seven million, one hundred sixteen thousand, nine hundred twenty-eight".