16135444337 has 2 divisors, whose sum is σ = 16135444338. Its totient is φ = 16135444336.

The previous prime is 16135444333. The next prime is 16135444363. The reversal of 16135444337 is 73344453161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15993143296 + 142301041 = 126464^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 16135444337 - 2² = 16135444333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16135444294 and 16135444303.

It is not a weakly prime, because it can be changed into another prime (16135444333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067722168 + 8067722169.

It is an arithmetic number, because the mean of its divisors is an integer number (8067722169).

Almost surely, 2^16135444337 is an apocalyptic number.

It is an amenable number.

16135444337 is a deficient number, since it is larger than the sum of its proper divisors (1).

16135444337 is an equidigital number, since it uses as much as digits as its factorization.

16135444337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

Adding to 16135444337 its reverse (73344453161), we get a palindrome (89479897498).

The spelling of 16135444337 in words is "sixteen billion, one hundred thirty-five million, four hundred forty-four thousand, three hundred thirty-seven".