996566656496 has 40 divisors (see below), whose sum is σ = 1950889135104. Its totient is φ = 493117824960.

The previous prime is 996566656489. The next prime is 996566656523. The reversal of 996566656496 is 694656665699.

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 7 ways as a sum of consecutive naturals, for example, 2290025 + ... + 2690231.

Almost surely, 2^996566656496 is an apocalyptic number.

It is an amenable number.

996566656496 is a deficient number, since it is larger than the sum of its proper divisors (954322478608).

996566656496 is a wasteful number, since it uses less digits than its factorization.

996566656496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401829 (or 401823 counting only the distinct ones).

The product of its digits is 3401222400, while the sum is 77.

The spelling of 996566656496 in words is "nine hundred ninety-six billion, five hundred sixty-six million, six hundred fifty-six thousand, four hundred ninety-six".