163842856 has 16 divisors (see below), whose sum is σ = 308816640. Its totient is φ = 81491760.

The previous prime is 163842851. The next prime is 163842863. The reversal of 163842856 is 658248361.

It is not an unprimeable number, because it can be changed into a prime (163842851) 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, 52086 + ... + 55141.

It is an arithmetic number, because the mean of its divisors is an integer number (19301040).

Almost surely, 2^163842856 is an apocalyptic number.

It is an amenable number.

163842856 is a deficient number, since it is larger than the sum of its proper divisors (144973784).

163842856 is a wasteful number, since it uses less digits than its factorization.

163842856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107424 (or 107420 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 163842856 is about 12800.1115620138. Note that the first 3 decimals coincide. The cubic root of 163842856 is about 547.1954824046.

The spelling of 163842856 in words is "one hundred sixty-three million, eight hundred forty-two thousand, eight hundred fifty-six".