6625005266 has 16 divisors (see below), whose sum is σ = 10888266240. Its totient is φ = 2998213680.

The previous prime is 6625005239. The next prime is 6625005271.

6625005266 is nontrivially palindromic in base 10.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652466 + ... + 662541.

It is an arithmetic number, because the mean of its divisors is an integer number (680516640).

Almost surely, 2^6625005266 is an apocalyptic number.

6625005266 is a deficient number, since it is larger than the sum of its proper divisors (4263260974).

6625005266 is a wasteful number, since it uses less digits than its factorization.

6625005266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315249.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 6625005266 is about 81394.1353292730. The cubic root of 6625005266 is about 1878.1433747356.

It can be divided in two parts, 662500 and 5266, that added together give a palindrome (667766).

The spelling of 6625005266 in words is "six billion, six hundred twenty-five million, five thousand, two hundred sixty-six".