163161234 has 24 divisors (see below), whose sum is σ = 357778512. Its totient is φ = 53731320.

The previous prime is 163161233. The next prime is 163161239. The reversal of 163161234 is 432161361.

163161234 is a `hidden beast` number, since 1 + 631 + 6 + 1 + 23 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 163161198 and 163161207.

It is not an unprimeable number, because it can be changed into a prime (163161233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53112 + ... + 56099.

It is an arithmetic number, because the mean of its divisors is an integer number (14907438).

Almost surely, 2^163161234 is an apocalyptic number.

163161234 is an abundant number, since it is smaller than the sum of its proper divisors (194617278).

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

163161234 is a wasteful number, since it uses less digits than its factorization.

163161234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109302 (or 109299 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163161234 is about 12773.4581848456. The cubic root of 163161234 is about 546.4356101838.

The spelling of 163161234 in words is "one hundred sixty-three million, one hundred sixty-one thousand, two hundred thirty-four".