655630196107 has 2 divisors, whose sum is σ = 655630196108. Its totient is φ = 655630196106.

The previous prime is 655630196071. The next prime is 655630196131. The reversal of 655630196107 is 701691036556.

Together with previous prime (655630196071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655630196107 is a prime.

It is not a weakly prime, because it can be changed into another prime (655630196167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327815098053 + 327815098054.

It is an arithmetic number, because the mean of its divisors is an integer number (327815098054).

Almost surely, 2^655630196107 is an apocalyptic number.

655630196107 is a deficient number, since it is larger than the sum of its proper divisors (1).

655630196107 is an equidigital number, since it uses as much as digits as its factorization.

655630196107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 655630196107 in words is "six hundred fifty-five billion, six hundred thirty million, one hundred ninety-six thousand, one hundred seven".