2566142623 has 8 divisors (see below), whose sum is σ = 2833157376. Its totient is φ = 2304749400.

The previous prime is 2566142617. The next prime is 2566142671. The reversal of 2566142623 is 3262416652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2566142623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566142123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404423 + ... + 1406248.

It is an arithmetic number, because the mean of its divisors is an integer number (354144672).

Almost surely, 2^2566142623 is an apocalyptic number.

2566142623 is a deficient number, since it is larger than the sum of its proper divisors (267014753).

2566142623 is a wasteful number, since it uses less digits than its factorization.

2566142623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810765.

The product of its digits is 103680, while the sum is 37.

The square root of 2566142623 is about 50657.1083166025. The cubic root of 2566142623 is about 1369.0740227220.

The spelling of 2566142623 in words is "two billion, five hundred sixty-six million, one hundred forty-two thousand, six hundred twenty-three".