16328642 has 8 divisors (see below), whose sum is σ = 26719632. Its totient is φ = 7422100.

The previous prime is 16328639. The next prime is 16328659. The reversal of 16328642 is 24682361.

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

It is a junction number, because it is equal to n+sod(n) for n = 16328599 and 16328608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371084 + ... + 371127.

It is an arithmetic number, because the mean of its divisors is an integer number (3339954).

Almost surely, 2^16328642 is an apocalyptic number.

16328642 is a deficient number, since it is larger than the sum of its proper divisors (10390990).

16328642 is a wasteful number, since it uses less digits than its factorization.

16328642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742224.

The product of its digits is 13824, while the sum is 32.

The square root of 16328642 is about 4040.8714406672. The cubic root of 16328642 is about 253.6977929756.

The spelling of 16328642 in words is "sixteen million, three hundred twenty-eight thousand, six hundred forty-two".