16238205101 has 2 divisors, whose sum is σ = 16238205102. Its totient is φ = 16238205100.

The previous prime is 16238205097. The next prime is 16238205173. The reversal of 16238205101 is 10150283261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16034143876 + 204061225 = 126626^2 + 14285^2 .

It is a cyclic number.

It is not a de Polignac number, because 16238205101 - 2² = 16238205097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16238205001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8119102550 + 8119102551.

It is an arithmetic number, because the mean of its divisors is an integer number (8119102551).

Almost surely, 2^16238205101 is an apocalyptic number.

It is an amenable number.

16238205101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16238205101 is an equidigital number, since it uses as much as digits as its factorization.

16238205101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 16238205101 its reverse (10150283261), we get a palindrome (26388488362).

The spelling of 16238205101 in words is "sixteen billion, two hundred thirty-eight million, two hundred five thousand, one hundred one".