6500011066 has 8 divisors (see below), whose sum is σ = 9754828020. Its totient is φ = 3248401728.

The previous prime is 6500011057. The next prime is 6500011079. The reversal of 6500011066 is 6601100056.

It can be written as a sum of positive squares in 2 ways, for example, as 6444075625 + 55935441 = 80275^2 + 7479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6500011066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796831 + ... + 804946.

Almost surely, 2^6500011066 is an apocalyptic number.

6500011066 is a deficient number, since it is larger than the sum of its proper divisors (3254816954).

6500011066 is a wasteful number, since it uses less digits than its factorization.

6500011066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603808.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6500011066 is about 80622.6461113749. The cubic root of 6500011066 is about 1866.2566374841.

The spelling of 6500011066 in words is "six billion, five hundred million, eleven thousand, sixty-six".