67660120000 has 280 divisors, whose sum is σ = 183964112640. Its totient is φ = 24478080000.

The previous prime is 67660119959. The next prime is 67660120013. The reversal of 67660120000 is 2106676.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 161479791 + ... + 161480209.

It is an arithmetic number, because the mean of its divisors is an integer number (657014688).

Almost surely, 2^67660120000 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 67660120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91982056320).

67660120000 is an abundant number, since it is smaller than the sum of its proper divisors (116303992640).

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

67660120000 is a wasteful number, since it uses less digits than its factorization.

67660120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 67660120000 its reverse (2106676), we get a palindrome (67662226676).

The spelling of 67660120000 in words is "sixty-seven billion, six hundred sixty million, one hundred twenty thousand".