163223154 has 48 divisors (see below), whose sum is σ = 385346400. Its totient is φ = 51202368.

The previous prime is 163223143. The next prime is 163223197. The reversal of 163223154 is 451322361.

163223154 is a `hidden beast` number, since 1 + 632 + 23 + 1 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10377 + ... + 20835.

It is an arithmetic number, because the mean of its divisors is an integer number (8028050).

Almost surely, 2^163223154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163223154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192673200).

163223154 is an abundant number, since it is smaller than the sum of its proper divisors (222123246).

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

163223154 is a wasteful number, since it uses less digits than its factorization.

163223154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504 (or 10481 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 163223154 is about 12775.8817308239. The cubic root of 163223154 is about 546.5047258940.

The spelling of 163223154 in words is "one hundred sixty-three million, two hundred twenty-three thousand, one hundred fifty-four".