6857317506163 has 2 divisors, whose sum is σ = 6857317506164. Its totient is φ = 6857317506162.

The previous prime is 6857317506161. The next prime is 6857317506211. The reversal of 6857317506163 is 3616057137586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6857317506163 - 2¹ = 6857317506161 is a prime.

Together with 6857317506161, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6857317506098 and 6857317506107.

It is not a weakly prime, because it can be changed into another prime (6857317506161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428658753081 + 3428658753082.

It is an arithmetic number, because the mean of its divisors is an integer number (3428658753082).

Almost surely, 2^{6857317506163} is an apocalyptic number.

6857317506163 is a deficient number, since it is larger than the sum of its proper divisors (1).

6857317506163 is an equidigital number, since it uses as much as digits as its factorization.

6857317506163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 6857317506163 in words is "six trillion, eight hundred fifty-seven billion, three hundred seventeen million, five hundred six thousand, one hundred sixty-three".