16006660587 has 16 divisors (see below), whose sum is σ = 23716822560. Its totient is φ = 10669644000.

The previous prime is 16006660583. The next prime is 16006660601. The reversal of 16006660587 is 78506660061.

16006660587 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 16006660587 - 2² = 16006660583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16006660583) by changing a digit.

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, 182137 + ... + 255317.

It is an arithmetic number, because the mean of its divisors is an integer number (1482301410).

Almost surely, 2^16006660587 is an apocalyptic number.

16006660587 is a deficient number, since it is larger than the sum of its proper divisors (7710161973).

16006660587 is an equidigital number, since it uses as much as digits as its factorization.

16006660587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81291 (or 81285 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16006660587 in words is "sixteen billion, six million, six hundred sixty thousand, five hundred eighty-seven".