67336885216512 has 216 divisors, whose sum is σ = 195891344690496. Its totient is φ = 22244975198208.

The previous prime is 67336885216477. The next prime is 67336885216541. The reversal of 67336885216512 is 21561258863376.

67336885216512 is a `hidden beast` number, since 6 + 7 + 3 + 3 + 68 + 8 + 52 + 1 + 6 + 512 = 666.

67336885216512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67336885216512² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67336885216512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129407163 + ... + 129926469.

Almost surely, 2^{67336885216512} 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 67336885216512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97945672345248).

67336885216512 is an abundant number, since it is smaller than the sum of its proper divisors (128554459473984).

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

67336885216512 is a wasteful number, since it uses less digits than its factorization.

67336885216512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519833 (or 519816 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 67336885216512 in words is "sixty-seven trillion, three hundred thirty-six billion, eight hundred eighty-five million, two hundred sixteen thousand, five hundred twelve".