163481934 has 48 divisors (see below), whose sum is σ = 414930816. Its totient is φ = 42462000.

The previous prime is 163481867. The next prime is 163481939. The reversal of 163481934 is 439184361.

It is a junction number, because it is equal to n+sod(n) for n = 163481892 and 163481901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163481939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22042 + ... + 28509.

It is an arithmetic number, because the mean of its divisors is an integer number (8644392).

Almost surely, 2^163481934 is an apocalyptic number.

163481934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163481934 is an abundant number, since it is smaller than the sum of its proper divisors (251448882).

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

163481934 is a wasteful number, since it uses less digits than its factorization.

163481934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50581 (or 50574 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 163481934 is about 12786.0053965263. The cubic root of 163481934 is about 546.7933896352.

The spelling of 163481934 in words is "one hundred sixty-three million, four hundred eighty-one thousand, nine hundred thirty-four".