16830953 has 4 divisors (see below), whose sum is σ = 17061588. Its totient is φ = 16600320.

The previous prime is 16830911. The next prime is 16830959. The reversal of 16830953 is 35903861.

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 3052009 + 13778944 = 1747^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 16830953 - 2⁶ = 16830889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16830959) 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, 115208 + ... + 115353.

It is an arithmetic number, because the mean of its divisors is an integer number (4265397).

Almost surely, 2^16830953 is an apocalyptic number.

It is an amenable number.

16830953 is a deficient number, since it is larger than the sum of its proper divisors (230635).

16830953 is an equidigital number, since it uses as much as digits as its factorization.

16830953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230634.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 16830953 is about 4102.5544481457. The cubic root of 16830953 is about 256.2730292212.

The spelling of 16830953 in words is "sixteen million, eight hundred thirty thousand, nine hundred fifty-three".