16005715385 has 32 divisors (see below), whose sum is σ = 21323907072. Its totient is φ = 11436223680.

The previous prime is 16005715361. The next prime is 16005715391. The reversal of 16005715385 is 58351750061.

It is not a de Polignac number, because 16005715385 - 2⁸ = 16005715129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708332 + ... + 730578.

It is an arithmetic number, because the mean of its divisors is an integer number (666372096).

Almost surely, 2^16005715385 is an apocalyptic number.

It is an amenable number.

16005715385 is a deficient number, since it is larger than the sum of its proper divisors (5318191687).

16005715385 is a wasteful number, since it uses less digits than its factorization.

16005715385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22493.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 16005715385 in words is "sixteen billion, five million, seven hundred fifteen thousand, three hundred eighty-five".