996818966 has 16 divisors (see below), whose sum is σ = 1756632528. Its totient is φ = 418245600.

The previous prime is 996818951. The next prime is 996818993. The reversal of 996818966 is 669818699.

996818966 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 996818899 and 996818908.

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, 1742405 + ... + 1742976.

It is an arithmetic number, because the mean of its divisors is an integer number (109789533).

Almost surely, 2^996818966 is an apocalyptic number.

996818966 is a deficient number, since it is larger than the sum of its proper divisors (759813562).

996818966 is a wasteful number, since it uses less digits than its factorization.

996818966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485407.

The product of its digits is 10077696, while the sum is 62.

The square root of 996818966 is about 31572.4399753963. The cubic root of 996818966 is about 998.9385290113.

The spelling of 996818966 in words is "nine hundred ninety-six million, eight hundred eighteen thousand, nine hundred sixty-six".