572161248 has 144 divisors (see below), whose sum is σ = 1798052256. Its totient is φ = 171663360.

The previous prime is 572161243. The next prime is 572161259. The reversal of 572161248 is 842161275.

572161248 is a `hidden beast` number, since 572 + 1 + 61 + 24 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 (572161243) 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 23 ways as a sum of consecutive naturals, for example, 110068 + ... + 115148.

It is an arithmetic number, because the mean of its divisors is an integer number (12486474).

Almost surely, 2^572161248 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 572161248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899026128).

572161248 is an abundant number, since it is smaller than the sum of its proper divisors (1225891008).

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

572161248 is a wasteful number, since it uses less digits than its factorization.

572161248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5126 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 572161248 is about 23919.8923074499. The cubic root of 572161248 is about 830.1810453275.

The spelling of 572161248 in words is "five hundred seventy-two million, one hundred sixty-one thousand, two hundred forty-eight".