16104434 has 4 divisors (see below), whose sum is σ = 24156654. Its totient is φ = 8052216.

The previous prime is 16104377. The next prime is 16104437. The reversal of 16104434 is 43440161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 525625 = 3947^2 + 725^2 .

It is not an unprimeable number, because it can be changed into a prime (16104437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4026107 + ... + 4026110.

Almost surely, 2^16104434 is an apocalyptic number.

16104434 is a deficient number, since it is larger than the sum of its proper divisors (8052220).

16104434 is an equidigital number, since it uses as much as digits as its factorization.

16104434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052219.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16104434 is about 4013.0330175567. The cubic root of 16104434 is about 252.5312656118.

Adding to 16104434 its reverse (43440161), we get a palindrome (59544595).

The spelling of 16104434 in words is "sixteen million, one hundred four thousand, four hundred thirty-four".