163426256 has 20 divisors (see below), whose sum is σ = 361872672. Its totient is φ = 70039776.

The previous prime is 163426229. The next prime is 163426271. The reversal of 163426256 is 652624361.

It is a happy number.

163426256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729470 + ... + 729693.

Almost surely, 2^163426256 is an apocalyptic number.

163426256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163426256 is an abundant number, since it is smaller than the sum of its proper divisors (198446416).

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

163426256 is a wasteful number, since it uses less digits than its factorization.

163426256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459178 (or 1459172 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 163426256 is about 12783.8279087291. The cubic root of 163426256 is about 546.7313077108.

The spelling of 163426256 in words is "one hundred sixty-three million, four hundred twenty-six thousand, two hundred fifty-six".