3566661341 has 4 divisors (see below), whose sum is σ = 3633956892. Its totient is φ = 3499365792.

The previous prime is 3566661289. The next prime is 3566661349. The reversal of 3566661341 is 1431666653.

3566661341 = 42229² + 42230².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1783288441 + 1783372900 = 42229^2 + 42230^2 .

It is a cyclic number.

It is not a de Polignac number, because 3566661341 - 2¹⁴ = 3566644957 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 (3566661349) 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, 33647696 + ... + 33647801.

It is an arithmetic number, because the mean of its divisors is an integer number (908489223).

Almost surely, 2^3566661341 is an apocalyptic number.

3566661341 is the 42230-th centered square number.

It is an amenable number.

3566661341 is a deficient number, since it is larger than the sum of its proper divisors (67295551).

3566661341 is an equidigital number, since it uses as much as digits as its factorization.

3566661341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67295550.

The product of its digits is 233280, while the sum is 41.

The square root of 3566661341 is about 59721.5316364207. The cubic root of 3566661341 is about 1527.8731239108.

The spelling of 3566661341 in words is "three billion, five hundred sixty-six million, six hundred sixty-one thousand, three hundred forty-one".