6816367871 has 8 divisors (see below), whose sum is σ = 6886549488. Its totient is φ = 6746544000.

The previous prime is 6816367861. The next prime is 6816367903. The reversal of 6816367871 is 1787636186.

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

It is a cyclic number.

It is not a de Polignac number, because 6816367871 - 2²⁶ = 6749259007 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 (6816367861) 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, 51050 + ... + 127431.

It is an arithmetic number, because the mean of its divisors is an integer number (860818686).

Almost surely, 2^6816367871 is an apocalyptic number.

6816367871 is a deficient number, since it is larger than the sum of its proper divisors (70181617).

6816367871 is a wasteful number, since it uses less digits than its factorization.

6816367871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178873.

The product of its digits is 2032128, while the sum is 53.

The square root of 6816367871 is about 82561.2976581643. The cubic root of 6816367871 is about 1896.0553313054.

The spelling of 6816367871 in words is "six billion, eight hundred sixteen million, three hundred sixty-seven thousand, eight hundred seventy-one".