663466099 has 2 divisors, whose sum is σ = 663466100. Its totient is φ = 663466098.

The previous prime is 663466087. The next prime is 663466127. The reversal of 663466099 is 990664366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663466099 - 2¹⁷ = 663335027 is a prime.

It is not a weakly prime, because it can be changed into another prime (663466039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331733049 + 331733050.

It is an arithmetic number, because the mean of its divisors is an integer number (331733050).

Almost surely, 2^663466099 is an apocalyptic number.

663466099 is a deficient number, since it is larger than the sum of its proper divisors (1).

663466099 is an equidigital number, since it uses as much as digits as its factorization.

663466099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 663466099 is about 25757.8356815941. The cubic root of 663466099 is about 872.1802448960.

The spelling of 663466099 in words is "six hundred sixty-three million, four hundred sixty-six thousand, ninety-nine".