16730065 has 12 divisors (see below), whose sum is σ = 22067892. Its totient is φ = 12166880.

The previous prime is 16730059. The next prime is 16730081. The reversal of 16730065 is 56003761.

It can be written as a sum of positive squares in 2 ways, for example, as 2076481 + 14653584 = 1441^2 + 3828^2 .

It is not a de Polignac number, because 16730065 - 2¹⁷ = 16598993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13222 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (1838991).

Almost surely, 2^16730065 is an apocalyptic number.

It is an amenable number.

16730065 is a deficient number, since it is larger than the sum of its proper divisors (5337827).

16730065 is a wasteful number, since it uses less digits than its factorization.

16730065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680 (or 27669 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 16730065 is about 4090.2402129948. The cubic root of 16730065 is about 255.7599525938.

The spelling of 16730065 in words is "sixteen million, seven hundred thirty thousand, sixty-five".