2566604142 has 48 divisors (see below), whose sum is σ = 5781834240. Its totient is φ = 821955600.

The previous prime is 2566604137. The next prime is 2566604149. The reversal of 2566604142 is 2414066652.

It is a junction number, because it is equal to n+sod(n) for n = 2566604097 and 2566604106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566604149) 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, 61017 + ... + 94107.

It is an arithmetic number, because the mean of its divisors is an integer number (120454880).

Almost surely, 2^2566604142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566604142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2890917120).

2566604142 is an abundant number, since it is smaller than the sum of its proper divisors (3215230098).

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

2566604142 is a wasteful number, since it uses less digits than its factorization.

2566604142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33269 (or 33266 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2566604142 is about 50661.6634349880. The cubic root of 2566604142 is about 1369.1560934783.

The spelling of 2566604142 in words is "two billion, five hundred sixty-six million, six hundred four thousand, one hundred forty-two".