16424457 has 12 divisors (see below), whose sum is σ = 25474896. Its totient is φ = 9385320.

The previous prime is 16424453. The next prime is 16424467. The reversal of 16424457 is 75442461.

It is not a de Polignac number, because 16424457 - 2² = 16424453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16424453) 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 11 ways as a sum of consecutive naturals, for example, 55719 + ... + 56012.

It is an arithmetic number, because the mean of its divisors is an integer number (2122908).

Almost surely, 2^16424457 is an apocalyptic number.

It is an amenable number.

16424457 is a deficient number, since it is larger than the sum of its proper divisors (9050439).

16424457 is a wasteful number, since it uses less digits than its factorization.

16424457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111748 (or 111741 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 16424457 is about 4052.7098341727. The cubic root of 16424457 is about 254.1930507891.

The spelling of 16424457 in words is "sixteen million, four hundred twenty-four thousand, four hundred fifty-seven".