16018001 has 2 divisors, whose sum is σ = 16018002. Its totient is φ = 16018000.

The previous prime is 16017977. The next prime is 16018021. The reversal of 16018001 is 10081061.

It is a happy number.

16018001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16008001 + 10000 = 4001^2 + 100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16018001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16018021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8009000 + 8009001.

It is an arithmetic number, because the mean of its divisors is an integer number (8009001).

Almost surely, 2^16018001 is an apocalyptic number.

It is an amenable number.

16018001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16018001 is an equidigital number, since it uses as much as digits as its factorization.

16018001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 16018001 is about 4002.2494924730. The cubic root of 16018001 is about 252.0786738903.

Adding to 16018001 its reverse (10081061), we get a palindrome (26099062).

The spelling of 16018001 in words is "sixteen million, eighteen thousand, one".