67066409280 has 224 divisors, whose sum is σ = 234910384128. Its totient is φ = 16105881600.

The previous prime is 67066409273. The next prime is 67066409281. The reversal of 67066409280 is 8290466076.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67066409281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446145 + ... + 577215.

It is an arithmetic number, because the mean of its divisors is an integer number (1048707072).

Almost surely, 2^67066409280 is an apocalyptic number.

67066409280 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 67066409280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117455192064).

67066409280 is an abundant number, since it is smaller than the sum of its proper divisors (167843974848).

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

67066409280 is a wasteful number, since it uses less digits than its factorization.

67066409280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131145 (or 131135 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 67066409280 in words is "sixty-seven billion, sixty-six million, four hundred nine thousand, two hundred eighty".