68266629616 has 10 divisors (see below), whose sum is σ = 132266594912. Its totient is φ = 34133314800.

The previous prime is 68266629611. The next prime is 68266629617. The reversal of 68266629616 is 61692666286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68266629611) by changing a digit.

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 as a sum of consecutive naturals, namely, 2133332160 + ... + 2133332191.

Almost surely, 2^68266629616 is an apocalyptic number.

It is an amenable number.

68266629616 is a deficient number, since it is larger than the sum of its proper divisors (63999965296).

68266629616 is a wasteful number, since it uses less digits than its factorization.

68266629616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266664359 (or 4266664353 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 58.

The spelling of 68266629616 in words is "sixty-eight billion, two hundred sixty-six million, six hundred twenty-nine thousand, six hundred sixteen".