6606204457 has 2 divisors, whose sum is σ = 6606204458. Its totient is φ = 6606204456.

The previous prime is 6606204433. The next prime is 6606204461. The reversal of 6606204457 is 7544026066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4575710736 + 2030493721 = 67644^2 + 45061^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606204457 - 2⁷ = 6606204329 is a prime.

It is not a weakly prime, because it can be changed into another prime (6606201457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303102228 + 3303102229.

It is an arithmetic number, because the mean of its divisors is an integer number (3303102229).

Almost surely, 2^6606204457 is an apocalyptic number.

It is an amenable number.

6606204457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606204457 is an equidigital number, since it uses as much as digits as its factorization.

6606204457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6606204457 is about 81278.5608693953. The cubic root of 6606204457 is about 1876.3650581734.

The spelling of 6606204457 in words is "six billion, six hundred six million, two hundred four thousand, four hundred fifty-seven".