67391754616 has 16 divisors (see below), whose sum is σ = 127057661640. Its totient is φ = 33509711520.

The previous prime is 67391754589. The next prime is 67391754649. The reversal of 67391754616 is 61645719376.

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, 23269186 + ... + 23272081.

Almost surely, 2^67391754616 is an apocalyptic number.

It is an amenable number.

67391754616 is a deficient number, since it is larger than the sum of its proper divisors (59665907024).

67391754616 is a wasteful number, since it uses less digits than its factorization.

67391754616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46541454 (or 46541450 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The spelling of 67391754616 in words is "sixty-seven billion, three hundred ninety-one million, seven hundred fifty-four thousand, six hundred sixteen".