67067770680 has 48 divisors (see below), whose sum is σ = 217970255880. Its totient is φ = 17884738752.

The previous prime is 67067770591. The next prime is 67067770691. The reversal of 67067770680 is 8607776076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93149322 + ... + 93150041.

Almost surely, 2^67067770680 is an apocalyptic number.

67067770680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67067770680 is an abundant number, since it is smaller than the sum of its proper divisors (150902485200).

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

67067770680 is a wasteful number, since it uses less digits than its factorization.

67067770680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186299380 (or 186299373 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 67067770680 in words is "sixty-seven billion, sixty-seven million, seven hundred seventy thousand, six hundred eighty".