16270755481 has 2 divisors, whose sum is σ = 16270755482. Its totient is φ = 16270755480.

The previous prime is 16270755463. The next prime is 16270755521. The reversal of 16270755481 is 18455707261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13297779856 + 2972975625 = 115316^2 + 54525^2 .

It is a cyclic number.

It is not a de Polignac number, because 16270755481 - 2¹³ = 16270747289 is a prime.

It is a super-2 number, since 2×16270755481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16270785481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8135377740 + 8135377741.

It is an arithmetic number, because the mean of its divisors is an integer number (8135377741).

Almost surely, 2^16270755481 is an apocalyptic number.

It is an amenable number.

16270755481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16270755481 is an equidigital number, since it uses as much as digits as its factorization.

16270755481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 16270755481 in words is "sixteen billion, two hundred seventy million, seven hundred fifty-five thousand, four hundred eighty-one".