16321424465434 has 32 divisors (see below), whose sum is σ = 28391809556160. Its totient is φ = 6958776816000.

The previous prime is 16321424465399. The next prime is 16321424465441. The reversal of 16321424465434 is 43456442412361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193257139 + ... + 193341574.

It is an arithmetic number, because the mean of its divisors is an integer number (887244048630).

Almost surely, 2^{16321424465434} is an apocalyptic number.

16321424465434 is a deficient number, since it is larger than the sum of its proper divisors (12070385090726).

16321424465434 is a wasteful number, since it uses less digits than its factorization.

16321424465434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386598846.

The product of its digits is 6635520, while the sum is 49.

Adding to 16321424465434 its reverse (43456442412361), we get a palindrome (59777866877795).

The spelling of 16321424465434 in words is "sixteen trillion, three hundred twenty-one billion, four hundred twenty-four million, four hundred sixty-five thousand, four hundred thirty-four".