6605115066 has 24 divisors (see below), whose sum is σ = 15612090624. Its totient is φ = 2001549960.

The previous prime is 6605115053. The next prime is 6605115073.

6605115066 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6605115066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16679386 + ... + 16679781.

It is an arithmetic number, because the mean of its divisors is an integer number (650503776).

Almost surely, 2^6605115066 is an apocalyptic number.

6605115066 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6605115066 is an abundant number, since it is smaller than the sum of its proper divisors (9006975558).

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

6605115066 is a wasteful number, since it uses less digits than its factorization.

6605115066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33359186 (or 33359183 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6605115066 is about 81271.8590042088. The cubic root of 6605115066 is about 1876.2619123307.

The spelling of 6605115066 in words is "six billion, six hundred five million, one hundred fifteen thousand, sixty-six".