1663016419 has 2 divisors, whose sum is σ = 1663016420. Its totient is φ = 1663016418.

The previous prime is 1663016387. The next prime is 1663016423. The reversal of 1663016419 is 9146103661.

It is a strong prime.

It is an emirp because it is prime and its reverse (9146103661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1663016419 - 2⁵ = 1663016387 is a prime.

It is a super-2 number, since 2×1663016419² = 5531247219727167122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1663016429) 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, 831508209 + 831508210.

It is an arithmetic number, because the mean of its divisors is an integer number (831508210).

Almost surely, 2^1663016419 is an apocalyptic number.

1663016419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663016419 is an equidigital number, since it uses as much as digits as its factorization.

1663016419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1663016419 is about 40780.0983201365. The cubic root of 1663016419 is about 1184.7648993858.

The spelling of 1663016419 in words is "one billion, six hundred sixty-three million, sixteen thousand, four hundred nineteen".