16004457127 has 2 divisors, whose sum is σ = 16004457128. Its totient is φ = 16004457126.

The previous prime is 16004457107. The next prime is 16004457143. The reversal of 16004457127 is 72175440061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16004457127 is a prime.

It is a super-2 number, since 2×16004457127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16004457107) 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, 8002228563 + 8002228564.

It is an arithmetic number, because the mean of its divisors is an integer number (8002228564).

Almost surely, 2^16004457127 is an apocalyptic number.

16004457127 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004457127 is an equidigital number, since it uses as much as digits as its factorization.

16004457127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 16004457127 its reverse (72175440061), we get a palindrome (88179897188).

The spelling of 16004457127 in words is "sixteen billion, four million, four hundred fifty-seven thousand, one hundred twenty-seven".