163528272 has 30 divisors (see below), whose sum is σ = 457652442. Its totient is φ = 54509376.

The previous prime is 163528247. The next prime is 163528273. The reversal of 163528272 is 272825361.

163528272 is a `hidden beast` number, since 1 + 63 + 528 + 2 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 96353856 + 67174416 = 9816^2 + 8196^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163528273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567663 + ... + 567950.

Almost surely, 2^163528272 is an apocalyptic number.

163528272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163528272 is an abundant number, since it is smaller than the sum of its proper divisors (294124170).

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

163528272 is a wasteful number, since it uses less digits than its factorization.

163528272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135627 (or 1135618 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 163528272 is about 12787.8173274410. The cubic root of 163528272 is about 546.8450465532.

The spelling of 163528272 in words is "one hundred sixty-three million, five hundred twenty-eight thousand, two hundred seventy-two".