8166853 has 2 divisors, whose sum is σ = 8166854. Its totient is φ = 8166852.

The previous prime is 8166841. The next prime is 8166887. The reversal of 8166853 is 3586618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 675684 = 2737^2 + 822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8166853 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8166553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4083426 + 4083427.

It is an arithmetic number, because the mean of its divisors is an integer number (4083427).

Almost surely, 2^8166853 is an apocalyptic number.

It is an amenable number.

8166853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8166853 is an equidigital number, since it uses as much as digits as its factorization.

8166853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 8166853 is about 2857.7706346031. The cubic root of 8166853 is about 201.3808855001.

The spelling of 8166853 in words is "eight million, one hundred sixty-six thousand, eight hundred fifty-three".