16365434 has 8 divisors (see below), whose sum is σ = 24791508. Its totient is φ = 8101600.

The previous prime is 16365421. The next prime is 16365439. The reversal of 16365434 is 43456361.

It can be written as a sum of positive squares in 2 ways, for example, as 10857025 + 5508409 = 3295^2 + 2347^2 .

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 16365434.

It is not an unprimeable number, because it can be changed into a prime (16365439) 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 in 3 ways as a sum of consecutive naturals, for example, 40307 + ... + 40710.

Almost surely, 2^16365434 is an apocalyptic number.

16365434 is a deficient number, since it is larger than the sum of its proper divisors (8426074).

16365434 is a wasteful number, since it uses less digits than its factorization.

16365434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81120.

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

The square root of 16365434 is about 4045.4213624788. The cubic root of 16365434 is about 253.8881955702. Note that the first 3 decimals are identical.

The spelling of 16365434 in words is "sixteen million, three hundred sixty-five thousand, four hundred thirty-four".