6627997266 has 16 divisors (see below), whose sum is σ = 14461085088. Its totient is φ = 2008484000.

The previous prime is 6627997261. The next prime is 6627997267.

6627997266 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6627997261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50212035 + ... + 50212166.

It is an arithmetic number, because the mean of its divisors is an integer number (903817818).

Almost surely, 2^6627997266 is an apocalyptic number.

6627997266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6627997266 is an abundant number, since it is smaller than the sum of its proper divisors (7833087822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6627997266 is a wasteful number, since it uses less digits than its factorization.

6627997266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100424217.

The product of its digits is 20575296, while the sum is 60.

The square root of 6627997266 is about 81412.5129571616. The cubic root of 6627997266 is about 1878.4260693154.

The spelling of 6627997266 in words is "six billion, six hundred twenty-seven million, nine hundred ninety-seven thousand, two hundred sixty-six".