67660061796 has 72 divisors (see below), whose sum is σ = 180067786080. Its totient is φ = 21361988736.

The previous prime is 67660061743. The next prime is 67660061839. The reversal of 67660061796 is 69716006676.

67660061796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5833515 + ... + 5845101.

Almost surely, 2^67660061796 is an apocalyptic number.

It is an amenable number.

67660061796 is an abundant number, since it is smaller than the sum of its proper divisors (112407724284).

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

67660061796 is a wasteful number, since it uses less digits than its factorization.

67660061796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 67660061796 in words is "sixty-seven billion, six hundred sixty million, sixty-one thousand, seven hundred ninety-six".