2566506124 has 72 divisors (see below), whose sum is σ = 5650395408. Its totient is φ = 1011024000.

The previous prime is 2566506121. The next prime is 2566506157. The reversal of 2566506124 is 4216056652.

2566506124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2566506121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637542 + ... + 641554.

It is an arithmetic number, because the mean of its divisors is an integer number (78477714).

Almost surely, 2^2566506124 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 2566506124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825197704).

2566506124 is an abundant number, since it is smaller than the sum of its proper divisors (3083889284).

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

2566506124 is a wasteful number, since it uses less digits than its factorization.

2566506124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4286 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2566506124 is about 50660.6960473304. The cubic root of 2566506124 is about 1369.1386640083.

The spelling of 2566506124 in words is "two billion, five hundred sixty-six million, five hundred six thousand, one hundred twenty-four".