68266177684 has 48 divisors (see below), whose sum is σ = 126602251776. Its totient is φ = 32156236800.

The previous prime is 68266177631. The next prime is 68266177729. The reversal of 68266177684 is 48677166286.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359852 + ... + 2388604.

It is an arithmetic number, because the mean of its divisors is an integer number (2637546912).

Almost surely, 2^68266177684 is an apocalyptic number.

It is an amenable number.

68266177684 is a deficient number, since it is larger than the sum of its proper divisors (58336074092).

68266177684 is a wasteful number, since it uses less digits than its factorization.

68266177684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29296 (or 29294 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 68266177684 in words is "sixty-eight billion, two hundred sixty-six million, one hundred seventy-seven thousand, six hundred eighty-four".