16443426 has 16 divisors (see below), whose sum is σ = 33034464. Its totient is φ = 5456544.

The previous prime is 16443397. The next prime is 16443431. The reversal of 16443426 is 62434461.

16443426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×16443426³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16443393 and 16443402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4675 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (2064654).

Almost surely, 2^16443426 is an apocalyptic number.

16443426 is an abundant number, since it is smaller than the sum of its proper divisors (16591038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16443426 is a wasteful number, since it uses less digits than its factorization.

16443426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305.

The product of its digits is 13824, while the sum is 30.

The square root of 16443426 is about 4055.0494448280. The cubic root of 16443426 is about 254.2908710276.

Adding to 16443426 its reverse (62434461), we get a palindrome (78877887).

The spelling of 16443426 in words is "sixteen million, four hundred forty-three thousand, four hundred twenty-six".