6605011266 has 32 divisors (see below), whose sum is σ = 15505203840. Its totient is φ = 1836141696.

The previous prime is 6605011243. The next prime is 6605011277. The reversal of 6605011266 is 6621105066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123611 + ... + 2126718.

It is an arithmetic number, because the mean of its divisors is an integer number (484537620).

Almost surely, 2^6605011266 is an apocalyptic number.

6605011266 is an abundant number, since it is smaller than the sum of its proper divisors (8900192574).

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

6605011266 is a wasteful number, since it uses less digits than its factorization.

6605011266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250378.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6605011266 is about 81271.2204042735. The cubic root of 6605011266 is about 1876.2520837355.

The spelling of 6605011266 in words is "six billion, six hundred five million, eleven thousand, two hundred sixty-six".