16648426 has 16 divisors (see below), whose sum is σ = 25901568. Its totient is φ = 8017200.

The previous prime is 16648421. The next prime is 16648441. The reversal of 16648426 is 62484661.

It is a super-3 number, since 3×16648426³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16648421) 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 7 ways as a sum of consecutive naturals, for example, 15796 + ... + 16816.

It is an arithmetic number, because the mean of its divisors is an integer number (1618848).

Almost surely, 2^16648426 is an apocalyptic number.

16648426 is a deficient number, since it is larger than the sum of its proper divisors (9253142).

16648426 is a wasteful number, since it uses less digits than its factorization.

16648426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its digits is 55296, while the sum is 37.

The square root of 16648426 is about 4080.2482767596. The cubic root of 16648426 is about 255.3432568153.

The spelling of 16648426 in words is "sixteen million, six hundred forty-eight thousand, four hundred twenty-six".