2566617061413 has 16 divisors (see below), whose sum is σ = 3456861250752. Its totient is φ = 1693733520000.

The previous prime is 2566617061361. The next prime is 2566617061439. The reversal of 2566617061413 is 3141607166652.

It is not a de Polignac number, because 2566617061413 - 2¹⁰ = 2566617060389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566617061483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270153 + ... + 2281713.

It is an arithmetic number, because the mean of its divisors is an integer number (216053828172).

Almost surely, 2^{2566617061413} is an apocalyptic number.

It is an amenable number.

2566617061413 is a deficient number, since it is larger than the sum of its proper divisors (890244189339).

2566617061413 is a wasteful number, since it uses less digits than its factorization.

2566617061413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015876.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 2566617061413 in words is "two trillion, five hundred sixty-six billion, six hundred seventeen million, sixty-one thousand, four hundred thirteen".