16324642 has 8 divisors (see below), whose sum is σ = 25084332. Its totient is φ = 7963200.

The previous prime is 16324597. The next prime is 16324657. The reversal of 16324642 is 24642361.

It can be written as a sum of positive squares in 2 ways, for example, as 9979281 + 6345361 = 3159^2 + 2519^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16324642.

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, 99459 + ... + 99622.

Almost surely, 2^16324642 is an apocalyptic number.

16324642 is a deficient number, since it is larger than the sum of its proper divisors (8759690).

16324642 is a wasteful number, since it uses less digits than its factorization.

16324642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199124.

The product of its digits is 6912, while the sum is 28.

The square root of 16324642 is about 4040.3764676079. The cubic root of 16324642 is about 253.6770753097.

The spelling of 16324642 in words is "sixteen million, three hundred twenty-four thousand, six hundred forty-two".