996729966 has 12 divisors (see below), whose sum is σ = 2159581632. Its totient is φ = 332243316.

The previous prime is 996729961. The next prime is 996729973. The reversal of 996729966 is 669927699.

It is a super-2 number, since 2×996729966² = 1986941250244722312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996729961) 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 in 5 ways as a sum of consecutive naturals, for example, 27686926 + ... + 27686961.

It is an arithmetic number, because the mean of its divisors is an integer number (179965136).

Almost surely, 2^996729966 is an apocalyptic number.

996729966 is an abundant number, since it is smaller than the sum of its proper divisors (1162851666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996729966 is a wasteful number, since it uses less digits than its factorization.

996729966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55373895 (or 55373892 counting only the distinct ones).

The product of its digits is 19840464, while the sum is 63.

The square root of 996729966 is about 31571.0304868245. The cubic root of 996729966 is about 998.9087983788.

The spelling of 996729966 in words is "nine hundred ninety-six million, seven hundred twenty-nine thousand, nine hundred sixty-six".