16650442 has 8 divisors (see below), whose sum is σ = 25005600. Its totient is φ = 8315244.

The previous prime is 16650433. The next prime is 16650443. The reversal of 16650442 is 24405661.

16650442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16650442.

It is not an unprimeable number, because it can be changed into a prime (16650443) 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, 2692 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (3125700).

Almost surely, 2^16650442 is an apocalyptic number.

16650442 is a deficient number, since it is larger than the sum of its proper divisors (8355158).

16650442 is an equidigital number, since it uses as much as digits as its factorization.

16650442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 16650442 is about 4080.4953130717. The cubic root of 16650442 is about 255.3535631195.

The spelling of 16650442 in words is "sixteen million, six hundred fifty thousand, four hundred forty-two".