1003163040 has 144 divisors (see below), whose sum is σ = 3734561376. Its totient is φ = 243187200.

The previous prime is 1003163033. The next prime is 1003163071. The reversal of 1003163040 is 403613001.

1003163040 is a `hidden beast` number, since 1 + 0 + 0 + 31 + 630 + 4 + 0 = 666.

1003163040 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 (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15826 + ... + 47505.

It is an arithmetic number, because the mean of its divisors is an integer number (25934454).

Almost surely, 2^1003163040 is an apocalyptic number.

1003163040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003163040 is an abundant number, since it is smaller than the sum of its proper divisors (2731398336).

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

1003163040 is a wasteful number, since it uses less digits than its factorization.

1003163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63363 (or 63352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1003163040 is about 31672.7491702252. The cubic root of 1003163040 is about 1001.0532369691.

Adding to 1003163040 its reverse (403613001), we get a palindrome (1406776041).

The spelling of 1003163040 in words is "one billion, three million, one hundred sixty-three thousand, forty".