16487263 has 16 divisors (see below), whose sum is σ = 19123776. Its totient is φ = 14077440.

The previous prime is 16487249. The next prime is 16487291. The reversal of 16487263 is 36278461.

It is not a de Polignac number, because 16487263 - 2⁹ = 16486751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16487213) 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, 12870 + ... + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236).

Almost surely, 2^16487263 is an apocalyptic number.

16487263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16487263 is a deficient number, since it is larger than the sum of its proper divisors (2636513).

16487263 is a wasteful number, since it uses less digits than its factorization.

16487263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its digits is 48384, while the sum is 37.

The square root of 16487263 is about 4060.4510833157. The cubic root of 16487263 is about 254.5166442849.

It can be divided in two parts, 1648 and 7263, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 16487263 in words is "sixteen million, four hundred eighty-seven thousand, two hundred sixty-three".