68736060550 has 12 divisors (see below), whose sum is σ = 127849072716. Its totient is φ = 27494424200.

The previous prime is 68736060539. The next prime is 68736060563. The reversal of 68736060550 is 5506063786.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68736060550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687360556 + ... + 687360655.

It is an arithmetic number, because the mean of its divisors is an integer number (10654089393).

Almost surely, 2^68736060550 is an apocalyptic number.

68736060550 is a deficient number, since it is larger than the sum of its proper divisors (59113012166).

68736060550 is a wasteful number, since it uses less digits than its factorization.

68736060550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374721223 (or 1374721218 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 68736060550 in words is "sixty-eight billion, seven hundred thirty-six million, sixty thousand, five hundred fifty".