2566652892 has 96 divisors (see below), whose sum is σ = 6416492544. Its totient is φ = 796646400.

The previous prime is 2566652863. The next prime is 2566652947. The reversal of 2566652892 is 2982566652.

2566652892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3125842 + ... + 3126662.

It is an arithmetic number, because the mean of its divisors is an integer number (66838464).

Almost surely, 2^2566652892 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 2566652892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208246272).

2566652892 is an abundant number, since it is smaller than the sum of its proper divisors (3849839652).

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

2566652892 is a wasteful number, since it uses less digits than its factorization.

2566652892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 2566652892 is about 50662.1445657406. The cubic root of 2566652892 is about 1369.1647619930.

The spelling of 2566652892 in words is "two billion, five hundred sixty-six million, six hundred fifty-two thousand, eight hundred ninety-two".