1603171968 has 128 divisors (see below), whose sum is σ = 4637736000. Its totient is φ = 488742912.

The previous prime is 1603171951. The next prime is 1603172017. The reversal of 1603171968 is 8691713061.

1603171968 is digitally balanced in base 4, 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 (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207796 + ... + 215372.

Almost surely, 2^1603171968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1603171968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318868000).

1603171968 is an abundant number, since it is smaller than the sum of its proper divisors (3034564032).

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

1603171968 is a wasteful number, since it uses less digits than its factorization.

1603171968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642 (or 7630 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1603171968 is about 40039.6299683201. The cubic root of 1603171968 is about 1170.3794926471.

The spelling of 1603171968 in words is "one billion, six hundred three million, one hundred seventy-one thousand, nine hundred sixty-eight".