1000163344 has 40 divisors (see below), whose sum is σ = 2043217440. Its totient is φ = 472969728.

The previous prime is 1000163341. The next prime is 1000163357. The reversal of 1000163344 is 4433610001.

It is not an unprimeable number, because it can be changed into a prime (1000163341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205224 + ... + 210040.

It is an arithmetic number, because the mean of its divisors is an integer number (51080436).

Almost surely, 2^1000163344 is an apocalyptic number.

It is an amenable number.

1000163344 is an abundant number, since it is smaller than the sum of its proper divisors (1043054096).

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

1000163344 is a wasteful number, since it uses less digits than its factorization.

1000163344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1000163344 is about 31625.3591916361. The cubic root of 1000163344 is about 1000.0544450357.

Adding to 1000163344 its reverse (4433610001), we get a palindrome (5433773345).

The spelling of 1000163344 in words is "one billion, one hundred sixty-three thousand, three hundred forty-four".