16128419 has 2 divisors, whose sum is σ = 16128420. Its totient is φ = 16128418.

The previous prime is 16128407. The next prime is 16128439. The reversal of 16128419 is 91482161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16128419 - 2¹² = 16124323 is a prime.

It is a super-2 number, since 2×16128419² = 520251798879122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16128439) 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, 8064209 + 8064210.

It is an arithmetic number, because the mean of its divisors is an integer number (8064210).

Almost surely, 2^16128419 is an apocalyptic number.

16128419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128419 is an equidigital number, since it uses as much as digits as its factorization.

16128419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 16128419 is about 4016.0202937734. The cubic root of 16128419 is about 252.6565718459.

The spelling of 16128419 in words is "sixteen million, one hundred twenty-eight thousand, four hundred nineteen".