16453456 has 20 divisors (see below), whose sum is σ = 32741332. Its totient is φ = 8004096.

The previous prime is 16453453. The next prime is 16453457. The reversal of 16453456 is 65435461.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 9610000 = 2616^2 + 3100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13305 + ... + 14488.

Almost surely, 2^16453456 is an apocalyptic number.

16453456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16453456 is a deficient number, since it is larger than the sum of its proper divisors (16287876).

16453456 is a wasteful number, since it uses less digits than its factorization.

16453456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27838 (or 27832 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 16453456 is about 4056.2859859729. The cubic root of 16453456 is about 254.3425638040.

The spelling of 16453456 in words is "sixteen million, four hundred fifty-three thousand, four hundred fifty-six".