665225614063 has 2 divisors, whose sum is σ = 665225614064. Its totient is φ = 665225614062.

The previous prime is 665225613979. The next prime is 665225614133. The reversal of 665225614063 is 360416522566.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665225614063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (665225618063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332612807031 + 332612807032.

It is an arithmetic number, because the mean of its divisors is an integer number (332612807032).

Almost surely, 2^665225614063 is an apocalyptic number.

665225614063 is a deficient number, since it is larger than the sum of its proper divisors (1).

665225614063 is an equidigital number, since it uses as much as digits as its factorization.

665225614063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 665225614063 in words is "six hundred sixty-five billion, two hundred twenty-five million, six hundred fourteen thousand, sixty-three".