16348481 has 2 divisors, whose sum is σ = 16348482. Its totient is φ = 16348480.

The previous prime is 16348403. The next prime is 16348483. The reversal of 16348481 is 18484361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 982081 = 3920^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 16348481 - 2¹⁸ = 16086337 is a prime.

It is a super-2 number, since 2×16348481² = 534545662014722, which contains 22 as substring.

Together with 16348483, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16348483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8174240 + 8174241.

It is an arithmetic number, because the mean of its divisors is an integer number (8174241).

Almost surely, 2^16348481 is an apocalyptic number.

It is an amenable number.

16348481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16348481 is an equidigital number, since it uses as much as digits as its factorization.

16348481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 16348481 is about 4043.3254877638. The cubic root of 16348481 is about 253.8004974444.

The spelling of 16348481 in words is "sixteen million, three hundred forty-eight thousand, four hundred eighty-one".