67701328128 has 216 divisors, whose sum is σ = 226418523968. Its totient is φ = 19054227456.

The previous prime is 67701328127. The next prime is 67701328133. The reversal of 67701328128 is 82182310776.

It is not an unprimeable number, because it can be changed into a prime (67701328127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049250 + ... + 1111902.

Almost surely, 2^67701328128 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 67701328128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113209261984).

67701328128 is an abundant number, since it is smaller than the sum of its proper divisors (158717195840).

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

67701328128 is a wasteful number, since it uses less digits than its factorization.

67701328128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62749 (or 62732 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 67701328128 in words is "sixty-seven billion, seven hundred one million, three hundred twenty-eight thousand, one hundred twenty-eight".