6538766716 has 12 divisors (see below), whose sum is σ = 11553938032. Its totient is φ = 3237641568.

The previous prime is 6538766713. The next prime is 6538766719. The reversal of 6538766716 is 6176678356.

It is an interprime number because it is at equal distance from previous prime (6538766713) and next prime (6538766719).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538766713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7934985 + ... + 7935808.

Almost surely, 2^6538766716 is an apocalyptic number.

It is an amenable number.

6538766716 is a deficient number, since it is larger than the sum of its proper divisors (5015171316).

6538766716 is a wasteful number, since it uses less digits than its factorization.

6538766716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870900 (or 15870898 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The square root of 6538766716 is about 80862.6410402233. The cubic root of 6538766716 is about 1869.9584113831.

The spelling of 6538766716 in words is "six billion, five hundred thirty-eight million, seven hundred sixty-six thousand, seven hundred sixteen".