16523012201 has 2 divisors, whose sum is σ = 16523012202. Its totient is φ = 16523012200.

The previous prime is 16523012173. The next prime is 16523012221. The reversal of 16523012201 is 10221032561.

16523012201 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., 11792874025 + 4730138176 = 108595^2 + 68776^2 .

It is a cyclic number.

It is not a de Polignac number, because 16523012201 - 2⁶ = 16523012137 is a prime.

It is not a weakly prime, because it can be changed into another prime (16523012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261506100 + 8261506101.

It is an arithmetic number, because the mean of its divisors is an integer number (8261506101).

Almost surely, 2^16523012201 is an apocalyptic number.

It is an amenable number.

16523012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16523012201 is an equidigital number, since it uses as much as digits as its factorization.

16523012201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 16523012201 its reverse (10221032561), we get a palindrome (26744044762).

The spelling of 16523012201 in words is "sixteen billion, five hundred twenty-three million, twelve thousand, two hundred one".