6781048966 has 16 divisors (see below), whose sum is σ = 10716274800. Its totient is φ = 3209269248.

The previous prime is 6781048943. The next prime is 6781048987. The reversal of 6781048966 is 6698401876.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33571 + ... + 121198.

It is an arithmetic number, because the mean of its divisors is an integer number (669767175).

Almost surely, 2^6781048966 is an apocalyptic number.

6781048966 is a deficient number, since it is larger than the sum of its proper divisors (3935225834).

6781048966 is a wasteful number, since it uses less digits than its factorization.

6781048966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155943.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 6781048966 is about 82347.1248192674. The cubic root of 6781048966 is about 1892.7748650501.

The spelling of 6781048966 in words is "six billion, seven hundred eighty-one million, forty-eight thousand, nine hundred sixty-six".