67941826688 has 24 divisors (see below), whose sum is σ = 135358733055. Its totient is φ = 33969438848.

The previous prime is 67941826681. The next prime is 67941826703. The reversal of 67941826688 is 88662814976.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 33970913344 + 33970913344 = 184312^2 + 184312^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184312.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67941826681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2937473 + ... + 2960511.

Almost surely, 2^67941826688 is an apocalyptic number.

It is an amenable number.

67941826688 is a deficient number, since it is larger than the sum of its proper divisors (67416906367).

67941826688 is an frugal number, since it uses more digits than its factorization.

67941826688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46092 (or 23041 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 65.

The spelling of 67941826688 in words is "sixty-seven billion, nine hundred forty-one million, eight hundred twenty-six thousand, six hundred eighty-eight".