655522663 has 2 divisors, whose sum is σ = 655522664. Its totient is φ = 655522662.

The previous prime is 655522643. The next prime is 655522691. The reversal of 655522663 is 366225556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655522663 - 2⁹ = 655522151 is a prime.

It is a super-2 number, since 2×655522663² = 859419923413223138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655522643) 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, 327761331 + 327761332.

It is an arithmetic number, because the mean of its divisors is an integer number (327761332).

Almost surely, 2^655522663 is an apocalyptic number.

655522663 is a deficient number, since it is larger than the sum of its proper divisors (1).

655522663 is an equidigital number, since it uses as much as digits as its factorization.

655522663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 40.

The square root of 655522663 is about 25603.1768146064. The cubic root of 655522663 is about 868.6854958370.

The spelling of 655522663 in words is "six hundred fifty-five million, five hundred twenty-two thousand, six hundred sixty-three".