655630116899 has 2 divisors, whose sum is σ = 655630116900. Its totient is φ = 655630116898.

The previous prime is 655630116881. The next prime is 655630116931. The reversal of 655630116899 is 998611036556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655630116899 is a prime.

It is not a weakly prime, because it can be changed into another prime (655630116809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327815058449 + 327815058450.

It is an arithmetic number, because the mean of its divisors is an integer number (327815058450).

Almost surely, 2^655630116899 is an apocalyptic number.

655630116899 is a deficient number, since it is larger than the sum of its proper divisors (1).

655630116899 is an equidigital number, since it uses as much as digits as its factorization.

655630116899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 655630116899 in words is "six hundred fifty-five billion, six hundred thirty million, one hundred sixteen thousand, eight hundred ninety-nine".