6771165993 has 24 divisors (see below), whose sum is σ = 9933288768. Its totient is φ = 4443718752.

The previous prime is 6771165959. The next prime is 6771166043. The reversal of 6771165993 is 3995611776.

It is a happy number.

It is not a de Polignac number, because 6771165993 - 2¹⁰ = 6771164969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6771167993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201380 + ... + 1207002.

It is an arithmetic number, because the mean of its divisors is an integer number (413887032).

Almost surely, 2^6771165993 is an apocalyptic number.

It is an amenable number.

6771165993 is a deficient number, since it is larger than the sum of its proper divisors (3162122775).

6771165993 is a wasteful number, since it uses less digits than its factorization.

6771165993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693 (or 7690 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 6771165993 is about 82287.0949359619. The cubic root of 6771165993 is about 1891.8548826065.

The spelling of 6771165993 in words is "six billion, seven hundred seventy-one million, one hundred sixty-five thousand, nine hundred ninety-three".