16345634 has 8 divisors (see below), whose sum is σ = 25116588. Its totient is φ = 7973440.

The previous prime is 16345631. The next prime is 16345639. The reversal of 16345634 is 43654361.

16345634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 3045025 = 3647^2 + 1745^2 .

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 16345634.

It is not an unprimeable number, because it can be changed into a prime (16345631) 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, 99587 + ... + 99750.

Almost surely, 2^16345634 is an apocalyptic number.

16345634 is a deficient number, since it is larger than the sum of its proper divisors (8770954).

16345634 is a wasteful number, since it uses less digits than its factorization.

16345634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199380.

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

The square root of 16345634 is about 4042.9734107461. The cubic root of 16345634 is about 253.7857639255.

Adding to 16345634 its reverse (43654361), we get a palindrome (59999995).

The spelling of 16345634 in words is "sixteen million, three hundred forty-five thousand, six hundred thirty-four".