67116531839 has 8 divisors (see below), whose sum is σ = 76780636320. Its totient is φ = 57471434496.

The previous prime is 67116531829. The next prime is 67116531917. The reversal of 67116531839 is 93813561176.

67116531839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67116531839 - 2²⁸ = 66848096383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67116531829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4744214 + ... + 4758339.

It is an arithmetic number, because the mean of its divisors is an integer number (9597579540).

Almost surely, 2^67116531839 is an apocalyptic number.

67116531839 is a deficient number, since it is larger than the sum of its proper divisors (9664104481).

67116531839 is a wasteful number, since it uses less digits than its factorization.

67116531839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503569.

The product of its digits is 816480, while the sum is 50.

The spelling of 67116531839 in words is "sixty-seven billion, one hundred sixteen million, five hundred thirty-one thousand, eight hundred thirty-nine".