996549567 has 48 divisors (see below), whose sum is σ = 1487517696. Its totient is φ = 592800000.

The previous prime is 996549559. The next prime is 996549581. The reversal of 996549567 is 765945699.

It is not a de Polignac number, because 996549567 - 2³ = 996549559 is a prime.

It is a super-2 number, since 2×996549567² = 1986222078975774978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 996549567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996549557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3970192 + ... + 3970442.

It is an arithmetic number, because the mean of its divisors is an integer number (30989952).

Almost surely, 2^996549567 is an apocalyptic number.

996549567 is a deficient number, since it is larger than the sum of its proper divisors (490968129).

996549567 is a wasteful number, since it uses less digits than its factorization.

996549567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 499 counting only the distinct ones).

The product of its digits is 18370800, while the sum is 60.

The square root of 996549567 is about 31568.1733237766. The cubic root of 996549567 is about 998.8485302931.

The spelling of 996549567 in words is "nine hundred ninety-six million, five hundred forty-nine thousand, five hundred sixty-seven".