67500816536 has 32 divisors (see below), whose sum is σ = 129007728000. Its totient is φ = 33099306240.

The previous prime is 67500816473. The next prime is 67500816547. The reversal of 67500816536 is 63561800576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983996 + ... + 1050356.

It is an arithmetic number, because the mean of its divisors is an integer number (4031491500).

Almost surely, 2^67500816536 is an apocalyptic number.

It is an amenable number.

67500816536 is a deficient number, since it is larger than the sum of its proper divisors (61506911464).

67500816536 is a wasteful number, since it uses less digits than its factorization.

67500816536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68819 (or 68815 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 67500816536 in words is "sixty-seven billion, five hundred million, eight hundred sixteen thousand, five hundred thirty-six".