6851350661 has 8 divisors (see below), whose sum is σ = 6919425024. Its totient is φ = 6783497280.

The previous prime is 6851350637. The next prime is 6851350673. The reversal of 6851350661 is 1660531586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6851350661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851350361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421 + ... + 117293.

It is an arithmetic number, because the mean of its divisors is an integer number (864928128).

Almost surely, 2^6851350661 is an apocalyptic number.

It is an amenable number.

6851350661 is a deficient number, since it is larger than the sum of its proper divisors (68074363).

6851350661 is a wasteful number, since it uses less digits than its factorization.

6851350661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110491.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 6851350661 is about 82772.8860255579. The cubic root of 6851350661 is about 1899.2934271149.

The spelling of 6851350661 in words is "six billion, eight hundred fifty-one million, three hundred fifty thousand, six hundred sixty-one".