163394256 has 40 divisors (see below), whose sum is σ = 426212800. Its totient is φ = 53934336.

The previous prime is 163394251. The next prime is 163394261. The reversal of 163394256 is 652493361.

163394256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163394251) and next prime (163394261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163394251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11581 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (10655320).

Almost surely, 2^163394256 is an apocalyptic number.

163394256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163394256 is an abundant number, since it is smaller than the sum of its proper divisors (262818544).

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

163394256 is a wasteful number, since it uses less digits than its factorization.

163394256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163 (or 33157 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 163394256 is about 12782.5762661523. The cubic root of 163394256 is about 546.6956207812.

The spelling of 163394256 in words is "one hundred sixty-three million, three hundred ninety-four thousand, two hundred fifty-six".