566660140 has 12 divisors (see below), whose sum is σ = 1189986336. Its totient is φ = 226664048.

The previous prime is 566660113. The next prime is 566660147. The reversal of 566660140 is 41066665.

It is a super-2 number, since 2×566660140² = 642207428529639200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566660096 and 566660105.

It is not an unprimeable number, because it can be changed into a prime (566660147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14166484 + ... + 14166523.

It is an arithmetic number, because the mean of its divisors is an integer number (99165528).

Almost surely, 2^566660140 is an apocalyptic number.

It is an amenable number.

566660140 is an abundant number, since it is smaller than the sum of its proper divisors (623326196).

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

566660140 is a wasteful number, since it uses less digits than its factorization.

566660140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333016 (or 28333014 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 566660140 is about 23804.6243406612. The cubic root of 566660140 is about 827.5118498499.

The spelling of 566660140 in words is "five hundred sixty-six million, six hundred sixty thousand, one hundred forty".