16137708481 has 2 divisors, whose sum is σ = 16137708482. Its totient is φ = 16137708480.

The previous prime is 16137708469. The next prime is 16137708487. The reversal of 16137708481 is 18480773161.

16137708481 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., 14790451456 + 1347257025 = 121616^2 + 36705^2 .

It is an emirp because it is prime and its reverse (18480773161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16137708481 - 2²¹ = 16135611329 is a prime.

It is a super-2 number, since 2×16137708481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16137708487) 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, 8068854240 + 8068854241.

It is an arithmetic number, because the mean of its divisors is an integer number (8068854241).

Almost surely, 2^16137708481 is an apocalyptic number.

It is an amenable number.

16137708481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16137708481 is an equidigital number, since it uses as much as digits as its factorization.

16137708481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 16137708481 in words is "sixteen billion, one hundred thirty-seven million, seven hundred eight thousand, four hundred eighty-one".