16860011 has 16 divisors (see below), whose sum is σ = 20486400. Its totient is φ = 13553568.

The previous prime is 16859993. The next prime is 16860013. The reversal of 16860011 is 11006861.

It is a happy number.

It is not a de Polignac number, because 16860011 - 2¹⁰ = 16858987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16860013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13916 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (1280400).

Almost surely, 2^16860011 is an apocalyptic number.

16860011 is a deficient number, since it is larger than the sum of its proper divisors (3626389).

16860011 is a wasteful number, since it uses less digits than its factorization.

16860011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 16860011 is about 4106.0943730022. The cubic root of 16860011 is about 256.4204263068.

Adding to 16860011 its reverse (11006861), we get a palindrome (27866872).

The spelling of 16860011 in words is "sixteen million, eight hundred sixty thousand, eleven".