67061321260 has 96 divisors (see below), whose sum is σ = 148532952960. Its totient is φ = 25383063552.

The previous prime is 67061321231. The next prime is 67061321339. The reversal of 67061321260 is 6212316076.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40179706 + ... + 40181374.

It is an arithmetic number, because the mean of its divisors is an integer number (1547218260).

Almost surely, 2^67061321260 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 67061321260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74266476480).

67061321260 is an abundant number, since it is smaller than the sum of its proper divisors (81471631700).

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

67061321260 is a wasteful number, since it uses less digits than its factorization.

67061321260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 67061321260 in words is "sixty-seven billion, sixty-one million, three hundred twenty-one thousand, two hundred sixty".