5666266260 has 144 divisors (see below), whose sum is σ = 19156737600. Its totient is φ = 1347259392.

The previous prime is 5666266259. The next prime is 5666266261. The reversal of 5666266260 is 626626665.

It is an interprime number because it is at equal distance from previous prime (5666266259) and next prime (5666266261).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666266261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9411 + ... + 106869.

It is an arithmetic number, because the mean of its divisors is an integer number (133032900).

Almost surely, 2^5666266260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5666266260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9578368800).

5666266260 is an abundant number, since it is smaller than the sum of its proper divisors (13490471340).

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

5666266260 is a wasteful number, since it uses less digits than its factorization.

5666266260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97510 (or 97505 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 5666266260 is about 75274.6056781435. The cubic root of 5666266260 is about 1782.7850879035.

The spelling of 5666266260 in words is "five billion, six hundred sixty-six million, two hundred sixty-six thousand, two hundred sixty".