16321426 has 8 divisors (see below), whose sum is σ = 26707824. Its totient is φ = 7418820.

The previous prime is 16321423. The next prime is 16321441. The reversal of 16321426 is 62412361.

16321426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16321426.

It is not an unprimeable number, because it can be changed into a prime (16321423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370920 + ... + 370963.

It is an arithmetic number, because the mean of its divisors is an integer number (3338478).

Almost surely, 2^16321426 is an apocalyptic number.

16321426 is a deficient number, since it is larger than the sum of its proper divisors (10386398).

16321426 is a wasteful number, since it uses less digits than its factorization.

16321426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741896.

The product of its digits is 1728, while the sum is 25.

The square root of 16321426 is about 4039.9784652891. The cubic root of 16321426 is about 253.6604158519.

Adding to 16321426 its reverse (62412361), we get a palindrome (78733787).

It can be divided in two parts, 1632 and 1426, that multiplied together give a palindrome (2327232).

The spelling of 16321426 in words is "sixteen million, three hundred twenty-one thousand, four hundred twenty-six".