996018386500 has 48 divisors (see below), whose sum is σ = 2175432897456. Its totient is φ = 398383776000.

The previous prime is 996018386491. The next prime is 996018386521. The reversal of 996018386500 is 5683810699.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 102702302784 + 893316083716 = 320472^2 + 945154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10171774 + ... + 10269226.

It is an arithmetic number, because the mean of its divisors is an integer number (45321518697).

Almost surely, 2^996018386500 is an apocalyptic number.

It is an amenable number.

996018386500 is an abundant number, since it is smaller than the sum of its proper divisors (1179414510956).

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

996018386500 is a wasteful number, since it uses less digits than its factorization.

996018386500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117913 (or 117901 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 996018386500 in words is "nine hundred ninety-six billion, eighteen million, three hundred eighty-six thousand, five hundred".