68944566716 has 48 divisors (see below), whose sum is σ = 131260645152. Its totient is φ = 31553740800.

The previous prime is 68944566709. The next prime is 68944566727. The reversal of 68944566716 is 61766544986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7646651 + ... + 7655661.

It is an arithmetic number, because the mean of its divisors is an integer number (2734596774).

Almost surely, 2^68944566716 is an apocalyptic number.

It is an amenable number.

68944566716 is a deficient number, since it is larger than the sum of its proper divisors (62316078436).

68944566716 is a wasteful number, since it uses less digits than its factorization.

68944566716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12110 (or 12108 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 68944566716 in words is "sixty-eight billion, nine hundred forty-four million, five hundred sixty-six thousand, seven hundred sixteen".