16003504545 has 16 divisors (see below), whose sum is σ = 29263551360. Its totient is φ = 7315887744.

The previous prime is 16003504537. The next prime is 16003504603. The reversal of 16003504545 is 54540530061.

16003504545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16003504545 - 2³ = 16003504537 is a prime.

It is a super-2 number, since 2×16003504545² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76207060 + ... + 76207269.

It is an arithmetic number, because the mean of its divisors is an integer number (1828971960).

Almost surely, 2^16003504545 is an apocalyptic number.

16003504545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16003504545 is a deficient number, since it is larger than the sum of its proper divisors (13260046815).

16003504545 is a wasteful number, since it uses less digits than its factorization.

16003504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152414344.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 16003504545 in words is "sixteen billion, three million, five hundred four thousand, five hundred forty-five".