163042644314256 has 160 divisors (see below), whose sum is σ = 483881355230208. Its totient is φ = 46340212907520.

The previous prime is 163042644314191. The next prime is 163042644314267. The reversal of 163042644314256 is 652413446240361.

It is a junction number, because it is equal to n+sod(n) for n = 163042644314199 and 163042644314208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144989395 + ... + 146109581.

Almost surely, 2^{163042644314256} is an apocalyptic number.

163042644314256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163042644314256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241940677615104).

163042644314256 is an abundant number, since it is smaller than the sum of its proper divisors (320838710915952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163042644314256 is a wasteful number, since it uses less digits than its factorization.

163042644314256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122469 (or 1122463 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 163042644314256 in words is "one hundred sixty-three trillion, forty-two billion, six hundred forty-four million, three hundred fourteen thousand, two hundred fifty-six".