67668029326 has 4 divisors (see below), whose sum is σ = 101502043992. Its totient is φ = 33834014662.

The previous prime is 67668029311. The next prime is 67668029339. The reversal of 67668029326 is 62392086676.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 16917007330 + ... + 16917007333.

It is an arithmetic number, because the mean of its divisors is an integer number (25375510998).

Almost surely, 2^67668029326 is an apocalyptic number.

67668029326 is a deficient number, since it is larger than the sum of its proper divisors (33834014666).

67668029326 is a wasteful number, since it uses less digits than its factorization.

67668029326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33834014665.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 67668029326 in words is "sixty-seven billion, six hundred sixty-eight million, twenty-nine thousand, three hundred twenty-six".