16725017505 has 64 divisors (see below), whose sum is σ = 31300577280. Its totient is φ = 7468386816.

The previous prime is 16725017471. The next prime is 16725017549. The reversal of 16725017505 is 50571052761.

16725017505 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 16725017505 - 2⁷ = 16725017377 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 764854 + ... + 786416.

It is an arithmetic number, because the mean of its divisors is an integer number (489071520).

Almost surely, 2^16725017505 is an apocalyptic number.

16725017505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16725017505 is a deficient number, since it is larger than the sum of its proper divisors (14575559775).

16725017505 is a wasteful number, since it uses less digits than its factorization.

16725017505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21750.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 16725017505 in words is "sixteen billion, seven hundred twenty-five million, seventeen thousand, five hundred five".