16330705 has 4 divisors (see below), whose sum is σ = 19596852. Its totient is φ = 13064560.

The previous prime is 16330703. The next prime is 16330711. The reversal of 16330705 is 50703361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5755201 + 10575504 = 2399^2 + 3252^2 .

It is not a de Polignac number, because 16330705 - 2¹ = 16330703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16330705.

It is not an unprimeable number, because it can be changed into a prime (16330703) 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, 1633066 + ... + 1633075.

It is an arithmetic number, because the mean of its divisors is an integer number (4899213).

Almost surely, 2^16330705 is an apocalyptic number.

It is an amenable number.

16330705 is a deficient number, since it is larger than the sum of its proper divisors (3266147).

16330705 is an equidigital number, since it uses as much as digits as its factorization.

16330705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266146.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 16330705 is about 4041.1266993253. The cubic root of 16330705 is about 253.7084767893.

The spelling of 16330705 in words is "sixteen million, three hundred thirty thousand, seven hundred five".