2566671423 has 16 divisors (see below), whose sum is σ = 3446828640. Its totient is φ = 1698842624.

The previous prime is 2566671421. The next prime is 2566671469. The reversal of 2566671423 is 3241766652.

It is a cyclic number.

It is not a de Polignac number, because 2566671423 - 2¹ = 2566671421 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566671421) 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, 416815 + ... + 422927.

It is an arithmetic number, because the mean of its divisors is an integer number (215426790).

Almost surely, 2^2566671423 is an apocalyptic number.

2566671423 is a deficient number, since it is larger than the sum of its proper divisors (880157217).

2566671423 is a wasteful number, since it uses less digits than its factorization.

2566671423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 362880, while the sum is 42.

The square root of 2566671423 is about 50662.3274534441. The cubic root of 2566671423 is about 1369.1680570667.

The spelling of 2566671423 in words is "two billion, five hundred sixty-six million, six hundred seventy-one thousand, four hundred twenty-three".