2572871616 has 126 divisors (see below), whose sum is σ = 8578794120. Its totient is φ = 735098112.

The previous prime is 2572871533. The next prime is 2572871617. The reversal of 2572871616 is 6161782752.

2572871616 is a `hidden beast` number, since 2 + 5 + 7 + 28 + 7 + 1 + 616 = 666.

2572871616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572871617) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17356 + ... + 73803.

Almost surely, 2^2572871616 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 2572871616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289397060).

2572871616 is an abundant number, since it is smaller than the sum of its proper divisors (6005922504).

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

2572871616 is a wasteful number, since it uses less digits than its factorization.

2572871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91191 (or 91171 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 2572871616 is about 50723.4818994122. The cubic root of 2572871616 is about 1370.2696498016.

It can be divided in two parts, 25728 and 71616, that added together give a square (97344 = 312²).

The spelling of 2572871616 in words is "two billion, five hundred seventy-two million, eight hundred seventy-one thousand, six hundred sixteen".