1005163712 has 28 divisors (see below), whose sum is σ = 2279568720. Its totient is φ = 430784256.

The previous prime is 1005163639. The next prime is 1005163721. The reversal of 1005163712 is 2173615001.

1005163712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

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, 1121387 + ... + 1122282.

Almost surely, 2^1005163712 is an apocalyptic number.

It is an amenable number.

1005163712 is an abundant number, since it is smaller than the sum of its proper divisors (1274405008).

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

1005163712 is an equidigital number, since it uses as much as digits as its factorization.

1005163712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243688 (or 2243678 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1005163712 is about 31704.3169300334. The cubic root of 1005163712 is about 1001.7182831453.

Adding to 1005163712 its reverse (2173615001), we get a palindrome (3178778713).

The spelling of 1005163712 in words is "one billion, five million, one hundred sixty-three thousand, seven hundred twelve".