8166373316853 has 4 divisors (see below), whose sum is σ = 10888497755808. Its totient is φ = 5444248877900.

The previous prime is 8166373316851. The next prime is 8166373316873. The reversal of 8166373316853 is 3586133736618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8166373316853 - 2¹ = 8166373316851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166373316851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361062219473 + ... + 1361062219478.

It is an arithmetic number, because the mean of its divisors is an integer number (2722124438952).

Almost surely, 2^{8166373316853} is an apocalyptic number.

It is an amenable number.

8166373316853 is a deficient number, since it is larger than the sum of its proper divisors (2722124438955).

8166373316853 is a wasteful number, since it uses less digits than its factorization.

8166373316853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722124438954.

The product of its digits is 39191040, while the sum is 60.

The spelling of 8166373316853 in words is "eight trillion, one hundred sixty-six billion, three hundred seventy-three million, three hundred sixteen thousand, eight hundred fifty-three".