1603680322928 has 20 divisors (see below), whose sum is σ = 3118596060768. Its totient is φ = 798881339520.

The previous prime is 1603680322927. The next prime is 1603680322943. The reversal of 1603680322928 is 8292230863061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603680322921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184921901 + ... + 184930572.

Almost surely, 2^{1603680322928} is an apocalyptic number.

It is an amenable number.

1603680322928 is a deficient number, since it is larger than the sum of its proper divisors (1514915737840).

1603680322928 is a wasteful number, since it uses less digits than its factorization.

1603680322928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369852752 (or 369852746 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 1603680322928 in words is "one trillion, six hundred three billion, six hundred eighty million, three hundred twenty-two thousand, nine hundred twenty-eight".