6511303966 has 4 divisors (see below), whose sum is σ = 9766955952. Its totient is φ = 3255651982.

The previous prime is 6511303961. The next prime is 6511304003. The reversal of 6511303966 is 6693031156.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511303961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627825990 + ... + 1627825993.

It is an arithmetic number, because the mean of its divisors is an integer number (2441738988).

Almost surely, 2^6511303966 is an apocalyptic number.

6511303966 is a deficient number, since it is larger than the sum of its proper divisors (3255651986).

6511303966 is a wasteful number, since it uses less digits than its factorization.

6511303966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255651985.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 6511303966 is about 80692.6512515235. The cubic root of 6511303966 is about 1867.3368026242.

The spelling of 6511303966 in words is "six billion, five hundred eleven million, three hundred three thousand, nine hundred sixty-six".