1603323552 has 48 divisors (see below), whose sum is σ = 4245998400. Its totient is φ = 529708032.

The previous prime is 1603323523. The next prime is 1603323559. The reversal of 1603323552 is 2553233061.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1603323559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63052 + ... + 84747.

It is an arithmetic number, because the mean of its divisors is an integer number (88458300).

Almost surely, 2^1603323552 is an apocalyptic number.

1603323552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1603323552 is an abundant number, since it is smaller than the sum of its proper divisors (2642674848).

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

1603323552 is a wasteful number, since it uses less digits than its factorization.

1603323552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147925 (or 147917 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 1603323552 is about 40041.5228481635. The cubic root of 1603323552 is about 1170.4163789403.

The spelling of 1603323552 in words is "one billion, six hundred three million, three hundred twenty-three thousand, five hundred fifty-two".