2566613610 has 48 divisors (see below), whose sum is σ = 7279852320. Its totient is φ = 622209120.

The previous prime is 2566613587. The next prime is 2566613617. The reversal of 2566613610 is 163166652.

It is a super-3 number, since 3×2566613610³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2566613617) 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, 1295280 + ... + 1297259.

It is an arithmetic number, because the mean of its divisors is an integer number (151663590).

Almost surely, 2^2566613610 is an apocalyptic number.

2566613610 is an abundant number, since it is smaller than the sum of its proper divisors (4713238710).

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

2566613610 is a wasteful number, since it uses less digits than its factorization.

2566613610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592563 (or 2592560 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2566613610 is about 50661.7568783397. The cubic root of 2566613610 is about 1369.1577770458.

The spelling of 2566613610 in words is "two billion, five hundred sixty-six million, six hundred thirteen thousand, six hundred ten".