67350328320 has 352 divisors, whose sum is σ = 236342624256. Its totient is φ = 16234086400.

The previous prime is 67350328313. The next prime is 67350328321. The reversal of 67350328320 is 2382305376.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67350328321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32270317 + ... + 32272403.

Almost surely, 2^67350328320 is an apocalyptic number.

67350328320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67350328320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118171312128).

67350328320 is an abundant number, since it is smaller than the sum of its proper divisors (168992295936).

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

67350328320 is a wasteful number, since it uses less digits than its factorization.

67350328320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 67350328320 in words is "sixty-seven billion, three hundred fifty million, three hundred twenty-eight thousand, three hundred twenty".