999361496322 has 162 divisors, whose sum is σ = 2584879833627. Its totient is φ = 278228361600.

The previous prime is 999361496321. The next prime is 999361496323. The reversal of 999361496322 is 223694163999.

999361496322 is a `hidden beast` number, since 9 + 9 + 9 + 3 + 614 + 9 + 6 + 3 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (999361496321) and next prime (999361496323).

It can be written as a sum of positive squares in 5 ways, for example, as 203319081 + 999158177241 = 14259^2 + 999579^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=706881.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 999361496322.

It is not an unprimeable number, because it can be changed into a prime (999361496321) 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 80 ways as a sum of consecutive naturals, for example, 1217248672 + ... + 1217249492.

Almost surely, 2^999361496322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999361496322

999361496322 is an abundant number, since it is smaller than the sum of its proper divisors (1585518337305).

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

999361496322 is an equidigital number, since it uses as much as digits as its factorization.

999361496322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 874 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The spelling of 999361496322 in words is "nine hundred ninety-nine billion, three hundred sixty-one million, four hundred ninety-six thousand, three hundred twenty-two".