16420082137 has 2 divisors, whose sum is σ = 16420082138. Its totient is φ = 16420082136.

The previous prime is 16420082123. The next prime is 16420082149. The reversal of 16420082137 is 73128002461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14695258176 + 1724823961 = 121224^2 + 41531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16420082137 is a prime.

It is not a weakly prime, because it can be changed into another prime (16420082117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8210041068 + 8210041069.

It is an arithmetic number, because the mean of its divisors is an integer number (8210041069).

Almost surely, 2^16420082137 is an apocalyptic number.

It is an amenable number.

16420082137 is a deficient number, since it is larger than the sum of its proper divisors (1).

16420082137 is an equidigital number, since it uses as much as digits as its factorization.

16420082137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 16420082137 its reverse (73128002461), we get a palindrome (89548084598).

The spelling of 16420082137 in words is "sixteen billion, four hundred twenty million, eighty-two thousand, one hundred thirty-seven".