996623646326699 has 8 divisors (see below), whose sum is σ = 1004472476602368. Its totient is φ = 988774837926120.

The previous prime is 996623646326663. The next prime is 996623646326719.

996623646326699 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996623646326699 - 2¹⁶ = 996623646261163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 996623646326699.

It is not an unprimeable number, because it can be changed into a prime (996623646326299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92957594 + ... + 103123040.

It is an arithmetic number, because the mean of its divisors is an integer number (125559059575296).

Almost surely, 2^{996623646326699} is an apocalyptic number.

996623646326699 is a deficient number, since it is larger than the sum of its proper divisors (7848830275669).

996623646326699 is a wasteful number, since it uses less digits than its factorization.

996623646326699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937545.

The product of its digits is 44079842304, while the sum is 86.

The spelling of 996623646326699 in words is "nine hundred ninety-six trillion, six hundred twenty-three billion, six hundred forty-six million, three hundred twenty-six thousand, six hundred ninety-nine".