6658268663 has 2 divisors, whose sum is σ = 6658268664. Its totient is φ = 6658268662.

The previous prime is 6658268657. The next prime is 6658268681. The reversal of 6658268663 is 3668628566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6658268663 - 2¹⁰ = 6658267639 is a prime.

It is a super-3 number, since 3×6658268663³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6658268599 and 6658268608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6658268863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3329134331 + 3329134332.

It is an arithmetic number, because the mean of its divisors is an integer number (3329134332).

Almost surely, 2^6658268663 is an apocalyptic number.

6658268663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6658268663 is an equidigital number, since it uses as much as digits as its factorization.

6658268663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 56.

The square root of 6658268663 is about 81598.2148272865. The cubic root of 6658268663 is about 1881.2814432878.

The spelling of 6658268663 in words is "six billion, six hundred fifty-eight million, two hundred sixty-eight thousand, six hundred sixty-three".