994821416768 has 14 divisors (see below), whose sum is σ = 1974098749026. Its totient is φ = 497410708352.

The previous prime is 994821416747. The next prime is 994821416819. The reversal of 994821416768 is 867614128499.

It can be written as a sum of positive squares in only one way, i.e., 934996170304 + 59825246464 = 966952^2 + 244592^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7772042255 + ... + 7772042382.

Almost surely, 2^994821416768 is an apocalyptic number.

It is an amenable number.

994821416768 is a deficient number, since it is larger than the sum of its proper divisors (979277332258).

994821416768 is a wasteful number, since it uses less digits than its factorization.

994821416768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544084649 (or 15544084639 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The spelling of 994821416768 in words is "nine hundred ninety-four billion, eight hundred twenty-one million, four hundred sixteen thousand, seven hundred sixty-eight".