1663106633 has 2 divisors, whose sum is σ = 1663106634. Its totient is φ = 1663106632.

The previous prime is 1663106603. The next prime is 1663106707. The reversal of 1663106633 is 3366013661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1393752889 + 269353744 = 37333^2 + 16412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1663106633 - 2¹⁴ = 1663090249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1663106593 and 1663106602.

It is not a weakly prime, because it can be changed into another prime (1663106603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831553316 + 831553317.

It is an arithmetic number, because the mean of its divisors is an integer number (831553317).

Almost surely, 2^1663106633 is an apocalyptic number.

It is an amenable number.

1663106633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663106633 is an equidigital number, since it uses as much as digits as its factorization.

1663106633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 1663106633 is about 40781.2044084036. The cubic root of 1663106633 is about 1184.7863223949.

The spelling of 1663106633 in words is "one billion, six hundred sixty-three million, one hundred six thousand, six hundred thirty-three".