16830811 has 4 divisors (see below), whose sum is σ = 16871400. Its totient is φ = 16790224.

The previous prime is 16830773. The next prime is 16830829. The reversal of 16830811 is 11803861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16830811 - 2¹⁹ = 16306523 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 16830811.

It is not an unprimeable number, because it can be changed into a prime (16830881) 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, 19666 + ... + 20503.

It is an arithmetic number, because the mean of its divisors is an integer number (4217850).

Almost surely, 2^16830811 is an apocalyptic number.

16830811 is a deficient number, since it is larger than the sum of its proper divisors (40589).

16830811 is an equidigital number, since it uses as much as digits as its factorization.

16830811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40588.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 16830811 is about 4102.5371418185. The cubic root of 16830811 is about 256.2723085079.

The spelling of 16830811 in words is "sixteen million, eight hundred thirty thousand, eight hundred eleven".