16018201 has 2 divisors, whose sum is σ = 16018202. Its totient is φ = 16018200.

The previous prime is 16018193. The next prime is 16018207. The reversal of 16018201 is 10281061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 808201 = 3900^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 16018201 - 2³ = 16018193 is a prime.

It is not a weakly prime, because it can be changed into another prime (16018207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8009100 + 8009101.

It is an arithmetic number, because the mean of its divisors is an integer number (8009101).

Almost surely, 2^16018201 is an apocalyptic number.

It is an amenable number.

16018201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16018201 is an equidigital number, since it uses as much as digits as its factorization.

16018201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 16018201 is about 4002.2744783435. The cubic root of 16018201 is about 252.0797230334.

Adding to 16018201 its reverse (10281061), we get a palindrome (26299262).

The spelling of 16018201 in words is "sixteen million, eighteen thousand, two hundred one".