67055812320 has 576 divisors, whose sum is σ = 262807856640. Its totient is φ = 14039101440.

The previous prime is 67055812309. The next prime is 67055812363. The reversal of 67055812320 is 2321855076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61349694 + ... + 61350786.

It is an arithmetic number, because the mean of its divisors is an integer number (456263640).

Almost surely, 2^67055812320 is an apocalyptic number.

67055812320 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 67055812320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131403928320).

67055812320 is an abundant number, since it is smaller than the sum of its proper divisors (195752044320).

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

67055812320 is a wasteful number, since it uses less digits than its factorization.

67055812320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 67055812320 in words is "sixty-seven billion, fifty-five million, eight hundred twelve thousand, three hundred twenty".