6634663159 has 2 divisors, whose sum is σ = 6634663160. Its totient is φ = 6634663158.

The previous prime is 6634663127. The next prime is 6634663163. The reversal of 6634663159 is 9513664366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6634663159 - 2⁵ = 6634663127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6634663169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317331579 + 3317331580.

It is an arithmetic number, because the mean of its divisors is an integer number (3317331580).

Almost surely, 2^6634663159 is an apocalyptic number.

6634663159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634663159 is an equidigital number, since it uses as much as digits as its factorization.

6634663159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 49.

The square root of 6634663159 is about 81453.4416645485. The cubic root of 6634663159 is about 1879.0555803310.

The spelling of 6634663159 in words is "six billion, six hundred thirty-four million, six hundred sixty-three thousand, one hundred fifty-nine".