16458913481 has 2 divisors, whose sum is σ = 16458913482. Its totient is φ = 16458913480.

The previous prime is 16458913417. The next prime is 16458913487. The reversal of 16458913481 is 18431985461.

16458913481 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., 8416411081 + 8042502400 = 91741^2 + 89680^2 .

It is a cyclic number.

It is not a de Polignac number, because 16458913481 - 2⁶ = 16458913417 is a prime.

It is a super-2 number, since 2×16458913481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16458913487) 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, 8229456740 + 8229456741.

It is an arithmetic number, because the mean of its divisors is an integer number (8229456741).

Almost surely, 2^16458913481 is an apocalyptic number.

It is an amenable number.

16458913481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16458913481 is an equidigital number, since it uses as much as digits as its factorization.

16458913481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 50.

The spelling of 16458913481 in words is "sixteen billion, four hundred fifty-eight million, nine hundred thirteen thousand, four hundred eighty-one".