1603920032445 has 16 divisors (see below), whose sum is σ = 2568217703040. Its totient is φ = 854775466944.

The previous prime is 1603920032443. The next prime is 1603920032467. The reversal of 1603920032445 is 5442300293061.

It is not a de Polignac number, because 1603920032445 - 2¹ = 1603920032443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603920032443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40513954 + ... + 40553523.

It is an arithmetic number, because the mean of its divisors is an integer number (160513606440).

Almost surely, 2^{1603920032445} is an apocalyptic number.

1603920032445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1603920032445 is a deficient number, since it is larger than the sum of its proper divisors (964297670595).

1603920032445 is a wasteful number, since it uses less digits than its factorization.

1603920032445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81068804.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 1603920032445 in words is "one trillion, six hundred three billion, nine hundred twenty million, thirty-two thousand, four hundred forty-five".