16487456 has 12 divisors (see below), whose sum is σ = 32459742. Its totient is φ = 8243712.

The previous prime is 16487431. The next prime is 16487461. The reversal of 16487456 is 65478461.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 3671056 = 3580^2 + 1916^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257585 + ... + 257648.

Almost surely, 2^16487456 is an apocalyptic number.

16487456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16487456 is a deficient number, since it is larger than the sum of its proper divisors (15972286).

16487456 is an equidigital number, since it uses as much as digits as its factorization.

16487456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515243 (or 515235 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 16487456 is about 4060.4748490786. The cubic root of 16487456 is about 254.5176374055.

The spelling of 16487456 in words is "sixteen million, four hundred eighty-seven thousand, four hundred fifty-six".