6516895266 has 48 divisors (see below), whose sum is σ = 16183687104. Its totient is φ = 1856591712.

The previous prime is 6516895261. The next prime is 6516895271. The reversal of 6516895266 is 6625986156.

6516895266 is a `hidden beast` number, since 6 + 51 + 68 + 9 + 526 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (6516895261) and next prime (6516895271).

It is not an unprimeable number, because it can be changed into a prime (6516895261) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30805 + ... + 118248.

It is an arithmetic number, because the mean of its divisors is an integer number (337160148).

Almost surely, 2^6516895266 is an apocalyptic number.

6516895266 is an abundant number, since it is smaller than the sum of its proper divisors (9666791838).

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

6516895266 is a wasteful number, since it uses less digits than its factorization.

6516895266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149415 (or 149412 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 6516895266 is about 80727.2894751211. The cubic root of 6516895266 is about 1867.8711478800.

The spelling of 6516895266 in words is "six billion, five hundred sixteen million, eight hundred ninety-five thousand, two hundred sixty-six".