163044252 has 144 divisors (see below), whose sum is σ = 504870912. Its totient is φ = 45023040.

The previous prime is 163044241. The next prime is 163044253. The reversal of 163044252 is 252440361.

163044252 is a `hidden beast` number, since 1 + 630 + 4 + 4 + 25 + 2 = 666.

It is a super-2 number, since 2×163044252² = 53166856220479008, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163044253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210538 + ... + 211310.

It is an arithmetic number, because the mean of its divisors is an integer number (3506048).

Almost surely, 2^163044252 is an apocalyptic number.

163044252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163044252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252435456).

163044252 is an abundant number, since it is smaller than the sum of its proper divisors (341826660).

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

163044252 is a wasteful number, since it uses less digits than its factorization.

163044252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 163044252 is about 12768.8782592677. The cubic root of 163044252 is about 546.3049859906.

The spelling of 163044252 in words is "one hundred sixty-three million, forty-four thousand, two hundred fifty-two".