16345436 has 12 divisors (see below), whose sum is σ = 28888440. Its totient is φ = 8091600.

The previous prime is 16345423. The next prime is 16345447. The reversal of 16345436 is 63454361.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19826 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (2407370).

Almost surely, 2^16345436 is an apocalyptic number.

It is an amenable number.

16345436 is a deficient number, since it is larger than the sum of its proper divisors (12543004).

16345436 is a wasteful number, since it uses less digits than its factorization.

16345436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40564 (or 40562 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 16345436 is about 4042.9489237437. The cubic root of 16345436 is about 253.7847391914.

Adding to 16345436 its reverse (63454361), we get a palindrome (79799797).

The spelling of 16345436 in words is "sixteen million, three hundred forty-five thousand, four hundred thirty-six".