163266572 has 48 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 65521920.

The previous prime is 163266569. The next prime is 163266577. The reversal of 163266572 is 275662361.

163266572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (163266577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107297 + ... + 108807.

It is an arithmetic number, because the mean of its divisors is an integer number (7239456).

Almost surely, 2^163266572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163266572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173746944).

163266572 is an abundant number, since it is smaller than the sum of its proper divisors (184227316).

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

163266572 is a wasteful number, since it uses less digits than its factorization.

163266572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 163266572 is about 12777.5808351972. The cubic root of 163266572 is about 546.5531790658.

The spelling of 163266572 in words is "one hundred sixty-three million, two hundred sixty-six thousand, five hundred seventy-two".