16864811 has 2 divisors, whose sum is σ = 16864812. Its totient is φ = 16864810.

The previous prime is 16864801. The next prime is 16864831. The reversal of 16864811 is 11846861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16864811 - 2¹⁰ = 16863787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16864801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8432405 + 8432406.

It is an arithmetic number, because the mean of its divisors is an integer number (8432406).

Almost surely, 2^16864811 is an apocalyptic number.

16864811 is a deficient number, since it is larger than the sum of its proper divisors (1).

16864811 is an equidigital number, since it uses as much as digits as its factorization.

16864811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 16864811 is about 4106.6788284452. The cubic root of 16864811 is about 256.4447580675. Note that the first 3 decimals are identical.

The spelling of 16864811 in words is "sixteen million, eight hundred sixty-four thousand, eight hundred eleven".