16287380406587 has 4 divisors (see below), whose sum is σ = 16288938570720. Its totient is φ = 16285822242456.

The previous prime is 16287380406541. The next prime is 16287380406601. The reversal of 16287380406587 is 78560408378261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16287380406587 - 2⁸ = 16287380406331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16287380406887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 779066387 + ... + 779087292.

It is an arithmetic number, because the mean of its divisors is an integer number (4072234642680).

Almost surely, 2^{16287380406587} is an apocalyptic number.

16287380406587 is a deficient number, since it is larger than the sum of its proper divisors (1558164133).

16287380406587 is a wasteful number, since it uses less digits than its factorization.

16287380406587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558164132.

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 16287380406587 in words is "sixteen trillion, two hundred eighty-seven billion, three hundred eighty million, four hundred six thousand, five hundred eighty-seven".