996018386556 has 96 divisors (see below), whose sum is σ = 2414917593088. Its totient is φ = 319268537280.

The previous prime is 996018386521. The next prime is 996018386581. The reversal of 996018386556 is 655683810699.

It is a super-2 number, since 2×996018386556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72006561 + ... + 72020391.

Almost surely, 2^996018386556 is an apocalyptic number.

It is an amenable number.

996018386556 is an abundant number, since it is smaller than the sum of its proper divisors (1418899206532).

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

996018386556 is a wasteful number, since it uses less digits than its factorization.

996018386556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031 (or 16029 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 996018386556 in words is "nine hundred ninety-six billion, eighteen million, three hundred eighty-six thousand, five hundred fifty-six".