163112223631424 has 28 divisors (see below), whose sum is σ = 323790071094204. Its totient is φ = 81527323828224.

The previous prime is 163112223631397. The next prime is 163112223631457. The reversal of 163112223631424 is 424136322211361.

It can be written as a sum of positive squares in 2 ways, for example, as 77216992782400 + 85895230849024 = 8787320^2 + 9267968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449629577 + ... + 449992200.

Almost surely, 2^{163112223631424} is an apocalyptic number.

It is an amenable number.

163112223631424 is a deficient number, since it is larger than the sum of its proper divisors (160677847462780).

163112223631424 is an equidigital number, since it uses as much as digits as its factorization.

163112223631424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899624622 (or 899624612 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

Adding to 163112223631424 its reverse (424136322211361), we get a palindrome (587248545842785).

The spelling of 163112223631424 in words is "one hundred sixty-three trillion, one hundred twelve billion, two hundred twenty-three million, six hundred thirty-one thousand, four hundred twenty-four".