16487 has 2 divisors, whose sum is σ = 16488. Its totient is φ = 16486.

The previous prime is 16481. The next prime is 16493. The reversal of 16487 is 78461.

It is a balanced prime because it is at equal distance from previous prime (16481) and next prime (16493).

It is a cyclic number.

It is not a de Polignac number, because 16487 - 2⁸ = 16231 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243 + 8244.

It is an arithmetic number, because the mean of its divisors is an integer number (8244).

2¹⁶⁴⁸⁷ is an apocalyptic number.

16487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487 is an equidigital number, since it uses as much as digits as its factorization.

16487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 16487 is about 128.4017133842. The cubic root of 16487 is about 25.4515290953.

Subtracting from 16487 its sum of digits (26), we obtain a palindrome (16461).

The spelling of 16487 in words is "sixteen thousand, four hundred eighty-seven".