16087503 has 4 divisors (see below), whose sum is σ = 21450008. Its totient is φ = 10725000.

The previous prime is 16087483. The next prime is 16087507. The reversal of 16087503 is 30578061.

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

It is not a de Polignac number, because 16087503 - 2¹⁷ = 15956431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087507) 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 3 ways as a sum of consecutive naturals, for example, 2681248 + ... + 2681253.

It is an arithmetic number, because the mean of its divisors is an integer number (5362502).

Almost surely, 2^16087503 is an apocalyptic number.

16087503 is a deficient number, since it is larger than the sum of its proper divisors (5362505).

16087503 is an equidigital number, since it uses as much as digits as its factorization.

16087503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362504.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 16087503 is about 4010.9229611151. The cubic root of 16087503 is about 252.4427370719.

The spelling of 16087503 in words is "sixteen million, eighty-seven thousand, five hundred three".