2566616093 has 4 divisors (see below), whose sum is σ = 2582362368. Its totient is φ = 2550869820.

The previous prime is 2566616033. The next prime is 2566616131. The reversal of 2566616093 is 3906166652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2566616093 - 2⁸ = 2566615837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566616033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7872893 + ... + 7873218.

It is an arithmetic number, because the mean of its divisors is an integer number (645590592).

Almost surely, 2^2566616093 is an apocalyptic number.

It is an amenable number.

2566616093 is a deficient number, since it is larger than the sum of its proper divisors (15746275).

2566616093 is a wasteful number, since it uses less digits than its factorization.

2566616093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15746274.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 2566616093 is about 50661.7813839979. The cubic root of 2566616093 is about 1369.1582185638.

The spelling of 2566616093 in words is "two billion, five hundred sixty-six million, six hundred sixteen thousand, ninety-three".