67081648696 has 16 divisors (see below), whose sum is σ = 125908176240. Its totient is φ = 33506135040.

The previous prime is 67081648633. The next prime is 67081648747. The reversal of 67081648696 is 69684618076.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4327945 + ... + 4343416.

It is an arithmetic number, because the mean of its divisors is an integer number (7869261015).

Almost surely, 2^67081648696 is an apocalyptic number.

It is an amenable number.

67081648696 is a deficient number, since it is larger than the sum of its proper divisors (58826527544).

67081648696 is a wasteful number, since it uses less digits than its factorization.

67081648696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8672334 (or 8672330 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 67081648696 in words is "sixty-seven billion, eighty-one million, six hundred forty-eight thousand, six hundred ninety-six".