6625665266 has 16 divisors (see below), whose sum is σ = 10843283808. Its totient is φ = 3011308800.

The previous prime is 6625665229. The next prime is 6625665301.

6625665266 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 288881 + ... + 310971.

It is an arithmetic number, because the mean of its divisors is an integer number (677705238).

Almost surely, 2^6625665266 is an apocalyptic number.

6625665266 is a deficient number, since it is larger than the sum of its proper divisors (4217618542).

6625665266 is a wasteful number, since it uses less digits than its factorization.

6625665266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35737.

The product of its digits is 4665600, while the sum is 50.

The square root of 6625665266 is about 81398.1895744617. The cubic root of 6625665266 is about 1878.2057411497.

The spelling of 6625665266 in words is "six billion, six hundred twenty-five million, six hundred sixty-five thousand, two hundred sixty-six".