16456424 has 8 divisors (see below), whose sum is σ = 30855810. Its totient is φ = 8228208.

The previous prime is 16456417. The next prime is 16456441. The reversal of 16456424 is 42465461.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 6100900 = 3218^2 + 2470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028519 + ... + 1028534.

Almost surely, 2^16456424 is an apocalyptic number.

It is an amenable number.

16456424 is a deficient number, since it is larger than the sum of its proper divisors (14399386).

16456424 is a wasteful number, since it uses less digits than its factorization.

16456424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057059 (or 2057055 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 16456424 is about 4056.6518213916. The cubic root of 16456424 is about 254.3578563023.

The spelling of 16456424 in words is "sixteen million, four hundred fifty-six thousand, four hundred twenty-four".