67396696686 has 48 divisors (see below), whose sum is σ = 159385971888. Its totient is φ = 20412384000.

The previous prime is 67396696681. The next prime is 67396696699. The reversal of 67396696686 is 68669669376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67396696681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286870 + ... + 465926.

It is an arithmetic number, because the mean of its divisors is an integer number (3320541081).

Almost surely, 2^67396696686 is an apocalyptic number.

67396696686 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

67396696686 is an abundant number, since it is smaller than the sum of its proper divisors (91989275202).

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

67396696686 is a wasteful number, since it uses less digits than its factorization.

67396696686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180977 (or 180974 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 72.

The spelling of 67396696686 in words is "sixty-seven billion, three hundred ninety-six million, six hundred ninety-six thousand, six hundred eighty-six".