996535972322 has 18 divisors (see below), whose sum is σ = 1643074583787. Its totient is φ = 452963837700.

The previous prime is 996535972321. The next prime is 996535972349. The reversal of 996535972322 is 223279535699.

It can be written as a sum of positive squares in only one way, i.e., 498267986161 + 498267986161 = 705881^2 + 705881^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=705881.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996535972321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15497297 + ... + 15561467.

Almost surely, 2^996535972322 is an apocalyptic number.

996535972322 is a deficient number, since it is larger than the sum of its proper divisors (646538611465).

996535972322 is an frugal number, since it uses more digits than its factorization.

996535972322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128366 (or 64184 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 62.

The spelling of 996535972322 in words is "nine hundred ninety-six billion, five hundred thirty-five million, nine hundred seventy-two thousand, three hundred twenty-two".